Testosterone and Weight Loss (2023) | Jason Fung
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- Опубліковано 1 чер 2024
- Testosterone and Weight Loss (2023) | Jason Fung
🍽️ Unlocking the Link: Intermittent Fasting and Testosterone 🧔
Discover the fascinating science of how Intermittent Fasting can impact Testosterone levels and its effects on various aspects of health.
💪 Dive into the connection between Testosterone and strength, and explore how Intermittent Fasting might be a game-changer for both muscle growth and weight loss.
🌱 Learn how Intermittent Fasting can influence body fat percentage and potentially optimize Testosterone levels, whether you're in puberty or an older adult.
👴 Delve into the intriguing world of Testosterone replacement in older men and how Intermittent Fasting could play a role in maintaining youthful vigor.
🔍 We'll explore the research and delve into the science to help you understand the potential benefits and impacts of Intermittent Fasting on Testosterone levels.
🕒 Don't wait to uncover the science behind this powerful duo - Intermittent Fasting and Testosterone. Join us to optimize your health and vitality.
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▶️ Timestamps / Chapters
0:00 Testosterone and Weight Loss
0:58 Puberty and Body Fat percent
3:20 Testosterone replacement in older men
5:10 Testosterone levels and strength
6:39 Should you take testosterone replacement?
=============================
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Science of Intermittent Fasting| Intermittent Fasting | Jason Fung
#TestosteroneAndWeightLoss2023 #IntermittentFasting #Testosterone #Hormones #WeightLoss #Strength #HealthyAging #ScienceOfFasting #JasonFung
Science of Intermittent Fasting - ua-cam.com/video/6aiR1mFD7Gw/v-deo.html
What about with women, especially peri/post menopausal?
Exactly what I wanted to know, too! 👍
Same question 👍 Thank you
I am in the same situation
U get the fat.
Add me to this list!
I want to add that I can't have HRT.
Ive made a conscious decision to get my health sorted now but while I was great fasting in 2018/2019, it went west during the pandemic plus menopause didn't help. I'm post now and it's harder than ever plus I've aches in shoulder and neck now that's an additional challenge.
Interesting again! Thanks for all you do 🙏☺️
Longer your waistline, lower your testosterone levels,Shorter your waistline,higher your testosterone levels.
Physical activity increases testosterone production as it is the brain with its pituitary gland which is the ultimate originator of Testosterone via LH.
There are many factors which will affect TT levels. Leptin is one thing, insulin is another. A high-fructose diet will lower TT (of course if the nature wants to prepare your body for the winter it will supress the reproduction and cause you to gain weight).
@@btudrus Yes Dear but the thing is any activity say walking, running sensetizes hormones like insulin and even if you are taking great amont of carbs the metabolically active body will prefer to burn it as fuel.Then their is genetics at cellular level and as one ages of course TT will diminish.But I believe a 70 years old man born in 1800
Would certainly be having more Tt than Todays young man !!!!!
,
True for men, not for women. Women lose all testosterone too st menopause
What does this mean then for your hrt dosage ?
Unless of course your testicular is gone or not working.....
Another Awesome video Thanks Much Love ❤❤❤
Where are you at this hour!!! Anyway I’ll check it right now. Thnx for you always Interesting information.
Worth noting in relationship to how often to test your level: I'm 72 and started meat based keto diet from WFPB in January of this year. In 3 months my testosterone went from 450 to 730. Diet was the only change.
No fuckin way yours shot up by that amount
Hi, share your example day meals plz, I'm interested in practicing it
Wow, can you explain what diet and fasting method you used? It would help others 🙏
If you get your liver in shape and don't have a tumor your levels will be good, and nothing is better for that than fasting + low carb!
Some of the many benefits of fasting and a lower carb whole food diet on the immune system, blood pressure, blood sugar and anti-aging, all backed up by clinical data:
Thymus stem cells are regenerated, which suppresses aging and renews the immune system.
Fasting stimulates phagocytosis, the ingestion of bacteria and viruses by the immune system.
Blood pressure is quickly and dramatically lowered, which is very important for a good outcome with the current pandemic.
Fasting increases nitric oxide, which has manifold postive effects like reducing arterial plaque.
Weight loss from fasting only loses10% lean tissue and 90% fat compared to the typical 25% lean tissue and 75% fat lost when calorically restricting for long periods.
Blood clotting is reduced and blood clots and arterial plaque are reabsorbed into the body.
Vitamin D plasma levels are increased, and vitamin D in turn increases autophagy!
Blood sugar and insulin are lowered, allowing white blood cells to move more freely throughout the body and do their job. Ideal blood sugar is around 80. Some viruses activate glycolosis (the release of sugar in the body) and clinically it has been shown that decreasing glucose metabolism in the body weakens the influenza virus.
It's absolutely fine for cortisol to be high while fasting, because it produces sugar from fat instead of lean tissue ua-cam.com/video/giEDadzoErs/v-deo.html
Does the body prefernetially prefer glucose as a fuel? No, it never uses mainly glucose for fuel and using glucose for fuel is very biochemically damaging! ua-cam.com/video/Nf1jwMbvNxw/v-deo.html
The hormone Leptin is an immunomodulator that keeps the body from attacking itself and obesity causes leptin resistance. Fasting very quickly reduces leptin resistance and leptin levels and one day of fasting can cut your leptin levels in half and gets your immune system working properly again!
When you move out of MTOR your body shuts down the building blocks of the cell which are used to produce organelles and proteins. This means the mechanisms needed by viruses to replicate are by and large unavailable when you are in a deeply fasted state.
It stimulates the AMPK complex and activates autophagy. Autophagy (literally self eating) will cause cells to recycle foreign matter such as viruses and kill cancerous and senescent cells. AMPK does many helpful things in the body including activating the body's antioxidant defenses.
Does fasting burn muscle? In most cases no! ua-cam.com/video/teQIaU6wp2o/v-deo.html
Fasting can make you gain muscle faster: ua-cam.com/video/5RM8GRzsIIg/v-deo.html
Deep ketosis virtually eliminates chronic inflammation in the body. This can offset the life threatening symptoms of viral pneumonia which effectively kills you through inflammation. This also creates BHB ketones in your body, which also help your immune system and anti-oxidative system, especially in the brain. Ketones also provide an additional energy source during infection, which is critical when trying to fight off a bug. In fact you can have as much as three times the total energy available in your blood when you are in deep ketosis, or even more.
It increases mitochondrial function and repairs mitichondrial DNA, leading to improved ATP production and oxygen efficiency and thereby making cells better able to fight off infection. Increased mitochondrial function also has the added benefit of increasing your metabolism and cancer prevention!
Fasts from 36-96 h actually INCREASE metabolic rate! ua-cam.com/video/BeC_gIR2Z14/v-deo.html
Your body releases interferon which is also triggered by the body during viral attacks to shut down the replication ability of the surrounding cells and stop infections.
After 72 hours or more fasted, your body actually recycles large numbers of immune bodies and creates new ones, rejuvenating your entire system.
When you fast, this stimulates apoptosis in senescent or genetically damaged cells. This kills these cells off completely. Senescent cells are responsible for the effects of aging and are the root cause of the development of cancer. If it were possible to destroy them all it would completely stop aging and cancer. That is not possible but fasting can help limit these effects by killing off many of the affected cells and limiting the future effects of aging.
Fasting also releases BDNF and NGF in the blood which stimulates new nerve and brain cell growth, helping a great deal with diseases like MS, peripheral neuropathy and Alzheimers.
In fact, the biochemical precursor to BDNF is beta-hydroxybutyrate, which is the same ketone the body produces to nourish the brain while fasting.
Autophagy induced by fasting even helps hair regrow.
What breaks a fast? ua-cam.com/video/7aRLsCpxy3o/v-deo.html
Dieters losing weight through intermittent fasting show greater reduction in waist size and increase in insulin sensitivity for the same weight lost and alternate day fasters were shown to lose fat while gaining muscle at the same time over a six month period.
Fasting has been shown to increase bone marrow volume by 10% and levels of carnosine in the body in as little as a few weeks.
Fasts of several days will not affect short term female fertility and may increase long term fertility especially in women with PCOS.
Fasting also increases telomere length, negating some of the effects of aging at a cellular level.
Eating one meal a day can bring most of these benefits to a lesser degree, and adding a few entire days off from eating per week will have even more effect especially when starting to feel poorly.
Exogenous ketones can aid with fasting, making it easier in healthy people and allowing some people with specific issues to fast in spite of them without worrying as much about hypoglycemia.
Children, pregnant or nursing women should not fast for periods longer than 16 hours. People with pancreatic tumors or certain forms of hypoglycemia generally cannot fast at all. Type 1 diabetics can also fast but it is more complicated and should be approached with caution as it could lead to ketoacidosis. Those with Addison's disease may also be unable to fast without liberal use of exogenous ketones, depending on severity. If you experience extreme symptoms of some kind, especially dizziness then simply break the fast and seek advice.
Resources:
pubmed.ncbi.nlm.nih.gov/7714088/
pubmed.ncbi.nlm.nih.gov/6859089/
www.ncbi.nlm.nih.gov/pubmed/23876457
repository.upenn.edu/cgi/viewcontent.cgi?article=1537&context=edissertations
www.cell.com/cell/fulltext/S0092-8674(19)30849-9
www.ncbi.nlm.nih.gov/pubmed/25686106
www.ncbi.nlm.nih.gov/pubmed/24905167
www.ncbi.nlm.nih.gov/pubmed/10859646
www.sciencedirect.com/science/article/pii/S0005272806000223
www.ncbi.nlm.nih.gov/pmc/articles/PMC1413655/
www.ncbi.nlm.nih.gov/pmc/articles/PMC2815756/
www.cell.com/cell-metabolism/abstract/S1550-4131(15)00224-7
www.ncbi.nlm.nih.gov/gene/25712
www.ncbi.nlm.nih.gov/pmc/articles/PMC1779438/
www.ncbi.nlm.nih.gov/pubmed/10232622
academic.oup.com/ajcn/article/81/1/69/4607679
www.ncbi.nlm.nih.gov/pmc/articles/PMC3017674/
www.sciencedirect.com/science/article/pii/S1931312809002832
www.ncbi.nlm.nih.gov/pmc/articles/PMC5895342/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6526871/
www.nejm.org/doi/full/10.1056/NEJMc2001176
pubmed.ncbi.nlm.nih.gov/23408502/
pubmed.ncbi.nlm.nih.gov/27569118/
pubmed.ncbi.nlm.nih.gov/21410865/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6407435/
www.arcjournals.org/pdfs/ijrsb/v3-i11/7.pdf
www.amjmedsci.org/article/S0002-9629%2815%2900027-0/fulltext
pubmed.ncbi.nlm.nih.gov/20921964/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6141719/
faseb.onlinelibrary.wiley.com/doi/abs/10.1096/fasebj.2019.33.1_supplement.819.10
www.biorxiv.org/node/93305.full
pubmed.ncbi.nlm.nih.gov/25909219/
clinical.diabetesjournals.org/content/36/3/217
europepmc.org/article/MED/22402737?javascript_support=no
onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2265.2005.02288.x
www.collective-evolution.com/2017/05/16/study-shows-how-fasting-for-3-days-can-regenerate-your-entire-immune-system/
www.health.harvard.edu/heart-health/abundance-of-fructose-not-good-for-the-liver-heart
holistickenko.com/vitamin-d-kidney-liver-disease/
This list compiled over months of research by the user known as Pottenger's Human on youtube but feel free to copy and paste this anywhere you like, no accreditation needed!
@@drivingteacher786 I was eating a "clean keto" meat based diet. 1 to 1/4 lbs beef, 6-8 packed cups mixed greens, added fat (tallow or olive oil) to get about 80% calories from fat. For me that's about 1 gram protein/1 pound body weight. ( I did not need to lose weight)
Happy Sunday, Dr. Fung 🤍🏝☀️
great video thanks!
Outstanding presentation Jason. I refer clinical patients to your publications and youtube channel on a daily basis.
That's wonderful! I often wish that someone had mentioned Dr. Fung to me sooner. My endocrinologist actually suggested gastric bypass surgery, despite the fact that I wasn't morbidly obese! Never discussed dietary interventions. And he was the best doctor I had seen in 20 years of T2D diagnosis.
I had the test of a pre-adolescent kid basically.
I was tired for years and always eating the wrong food, just constantly tired and probably depressed, when I look back !!
Since starting TRT it’s turned my life around it really has ..
I'm going to assume that this vid doesn't apply to metabolic syndrome, correct? As a female I had PCOS, and had such high testosterone it was devastating to me as a young girl. At puberty I gained 50 lbs in 6 mos without doing anything different. I was obese my entire life.
Now, IF and a ketovore, at 64, I'm in the best health and condition I'd ever been.
TRT changed my life, i used to be skinny fat and couldn't get normal muscle mass/strength no matter how hard i tried. Heck i couldn't even properly do a single pushup when i had the testosterone level of a 90 year old. Now i can work out like an average person and actually increase strenght/muscle. Getting a healthy testosterone level allowed me to reduce my depression and binge eating too. Interesting fact, ssri's make low tosterone much worse. Having healthy testosterone is required for wanting to be alive. You will be absolutely miserable with low testosterone.
Did u go through a doctor to prescribe a drug or did you find a drug on the internet and took that
@@thedoomslayer5863 I went to a doctor and got my levels checked. I take blood tests every few months to check my levels. Never take Testosterone blindly.
@@Bertuzz84 odd. My hospital is utterly worthless in that regard. I always ask to photos or printouts of my levels but the best I get is maybe a phone call where a nurse who clearly doesn't want to be at work that day very quickly skims my numbers for me out loud
I'm looking into kits to test it at home
How did you convince your doc to get you on TRT?
Same story here and started at age 60. Although I was just fat even though I was keto and doing cardio 6 days a week. I researched it for 3 years and when I became clinically anemic and my doctor still wouldn’t do anything I went to a trt clinic. My test was low normal and my estrogen was high normal. I decided to try it. Wow! What a difference. Not just my body but my mental outlook. I wasn’t a grouchy old man anymore.
I finally found a urologist to treat me too. I only take 90 mg per week and it got my test up to mid to high normal. Weight fell off but more importantly my anemia is gone and my mental outlook is back to my old self.
@@PistolPete3322 testosterone is literally the hormone of life to a man
I need to find me a place where they'll actually accurately measure my test and give me the results and then a good trt clinic if I decide to go down that road
My doctor is worthless in their regard
They just eyeball me and go "nah you're fine" and I basically have to do a blood sacrifice to get a nurse who clearly doesn't care to quickly tell me my numbers over a phone call
Not print outs no pics nothing
Hi Dr. FUNG, could you do some vids on menopause weigh loss with success stories?
¡Admiro a Dr Fung! Qué paciencia, que sabiduría tiene este hombre! Se puede sentir a través de la pantalla lo mucho que las quiere y se preocupa por las personas. ¡Muchas gracias doctor! ❤❤❤
Soberbia tiene poca, es un sabio con mucha humildad. Saludos cordiales.
Thanks you!
Thank you Jason fung sir. I really thankful to you for changing my life for the best ,I could expect. God bless you sir. You r just amazing.
You are very welcome!
*I LOVE the VIDS, but I HATE ALL the StuPuds in the Comments!!!*
*LOOK at My AvaTar!!!!*
*See the DARK TIP of My KeTo Strip!!!*
*Day 4 of Fasting, & 2 Massive Dumps into Pot; OtherWise I Notice NOTHING!!!*
*No Hunger, but my Sides are GeTTing a bit sore!!!!*
@@drjasonfung will testosterone cause water retention?
I'd also love to see your take on the impact of menopause on weight please, Dr Fung.
That's who most of his patients are and who fasting works best for. Fasting is the best thing menopausal women can do, if their liver is healthy then their body will be able to get rid of e3 and avoid ill health effects
Some of the many benefits of fasting and a lower carb whole food diet on the immune system, blood pressure, blood sugar and anti-aging, all backed up by clinical data:
Thymus stem cells are regenerated, which suppresses aging and renews the immune system.
Fasting stimulates phagocytosis, the ingestion of bacteria and viruses by the immune system.
Blood pressure is quickly and dramatically lowered, which is very important for a good outcome with the current pandemic.
Fasting increases nitric oxide, which has manifold postive effects like reducing arterial plaque.
Weight loss from fasting only loses10% lean tissue and 90% fat compared to the typical 25% lean tissue and 75% fat lost when calorically restricting for long periods.
Blood clotting is reduced and blood clots and arterial plaque are reabsorbed into the body.
Vitamin D plasma levels are increased, and vitamin D in turn increases autophagy!
Blood sugar and insulin are lowered, allowing white blood cells to move more freely throughout the body and do their job. Ideal blood sugar is around 80. Some viruses activate glycolosis (the release of sugar in the body) and clinically it has been shown that decreasing glucose metabolism in the body weakens the influenza virus.
It's absolutely fine for cortisol to be high while fasting, because it produces sugar from fat instead of lean tissue ua-cam.com/video/giEDadzoErs/v-deo.html
Does the body prefernetially prefer glucose as a fuel? No, it never uses mainly glucose for fuel and using glucose for fuel is very biochemically damaging! ua-cam.com/video/Nf1jwMbvNxw/v-deo.html
The hormone Leptin is an immunomodulator that keeps the body from attacking itself and obesity causes leptin resistance. Fasting very quickly reduces leptin resistance and leptin levels and one day of fasting can cut your leptin levels in half and gets your immune system working properly again!
When you move out of MTOR your body shuts down the building blocks of the cell which are used to produce organelles and proteins. This means the mechanisms needed by viruses to replicate are by and large unavailable when you are in a deeply fasted state.
It stimulates the AMPK complex and activates autophagy. Autophagy (literally self eating) will cause cells to recycle foreign matter such as viruses and kill cancerous and senescent cells. AMPK does many helpful things in the body including activating the body's antioxidant defenses.
Does fasting burn muscle? In most cases no! ua-cam.com/video/teQIaU6wp2o/v-deo.html
Fasting can make you gain muscle faster: ua-cam.com/video/5RM8GRzsIIg/v-deo.html
Deep ketosis virtually eliminates chronic inflammation in the body. This can offset the life threatening symptoms of viral pneumonia which effectively kills you through inflammation. This also creates BHB ketones in your body, which also help your immune system and anti-oxidative system, especially in the brain. Ketones also provide an additional energy source during infection, which is critical when trying to fight off a bug. In fact you can have as much as three times the total energy available in your blood when you are in deep ketosis, or even more.
It increases mitochondrial function and repairs mitichondrial DNA, leading to improved ATP production and oxygen efficiency and thereby making cells better able to fight off infection. Increased mitochondrial function also has the added benefit of increasing your metabolism and cancer prevention!
Fasts from 36-96 h actually INCREASE metabolic rate! ua-cam.com/video/BeC_gIR2Z14/v-deo.html
Your body releases interferon which is also triggered by the body during viral attacks to shut down the replication ability of the surrounding cells and stop infections.
After 72 hours or more fasted, your body actually recycles large numbers of immune bodies and creates new ones, rejuvenating your entire system.
When you fast, this stimulates apoptosis in senescent or genetically damaged cells. This kills these cells off completely. Senescent cells are responsible for the effects of aging and are the root cause of the development of cancer. If it were possible to destroy them all it would completely stop aging and cancer. That is not possible but fasting can help limit these effects by killing off many of the affected cells and limiting the future effects of aging.
Fasting also releases BDNF and NGF in the blood which stimulates new nerve and brain cell growth, helping a great deal with diseases like MS, peripheral neuropathy and Alzheimers.
In fact, the biochemical precursor to BDNF is beta-hydroxybutyrate, which is the same ketone the body produces to nourish the brain while fasting.
Autophagy induced by fasting even helps hair regrow.
What breaks a fast? ua-cam.com/video/7aRLsCpxy3o/v-deo.html
Dieters losing weight through intermittent fasting show greater reduction in waist size and increase in insulin sensitivity for the same weight lost and alternate day fasters were shown to lose fat while gaining muscle at the same time over a six month period.
Fasting has been shown to increase bone marrow volume by 10% and levels of carnosine in the body in as little as a few weeks.
Fasts of several days will not affect short term female fertility and may increase long term fertility especially in women with PCOS.
Fasting also increases telomere length, negating some of the effects of aging at a cellular level.
Eating one meal a day can bring most of these benefits to a lesser degree, and adding a few entire days off from eating per week will have even more effect especially when starting to feel poorly.
Exogenous ketones can aid with fasting, making it easier in healthy people and allowing some people with specific issues to fast in spite of them without worrying as much about hypoglycemia.
Children, pregnant or nursing women should not fast for periods longer than 16 hours. People with pancreatic tumors or certain forms of hypoglycemia generally cannot fast at all. Type 1 diabetics can also fast but it is more complicated and should be approached with caution as it could lead to ketoacidosis. Those with Addison's disease may also be unable to fast without liberal use of exogenous ketones, depending on severity. If you experience extreme symptoms of some kind, especially dizziness then simply break the fast and seek advice.
Resources:
pubmed.ncbi.nlm.nih.gov/7714088/
pubmed.ncbi.nlm.nih.gov/6859089/
www.ncbi.nlm.nih.gov/pubmed/23876457
repository.upenn.edu/cgi/viewcontent.cgi?article=1537&context=edissertations
www.cell.com/cell/fulltext/S0092-8674(19)30849-9
www.ncbi.nlm.nih.gov/pubmed/25686106
www.ncbi.nlm.nih.gov/pubmed/24905167
www.ncbi.nlm.nih.gov/pubmed/10859646
www.sciencedirect.com/science/article/pii/S0005272806000223
www.ncbi.nlm.nih.gov/pmc/articles/PMC1413655/
www.ncbi.nlm.nih.gov/pmc/articles/PMC2815756/
www.cell.com/cell-metabolism/abstract/S1550-4131(15)00224-7
www.ncbi.nlm.nih.gov/gene/25712
www.ncbi.nlm.nih.gov/pmc/articles/PMC1779438/
www.ncbi.nlm.nih.gov/pubmed/10232622
academic.oup.com/ajcn/article/81/1/69/4607679
www.ncbi.nlm.nih.gov/pmc/articles/PMC3017674/
www.sciencedirect.com/science/article/pii/S1931312809002832
www.ncbi.nlm.nih.gov/pmc/articles/PMC5895342/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6526871/
www.nejm.org/doi/full/10.1056/NEJMc2001176
pubmed.ncbi.nlm.nih.gov/23408502/
pubmed.ncbi.nlm.nih.gov/27569118/
pubmed.ncbi.nlm.nih.gov/21410865/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6407435/
www.arcjournals.org/pdfs/ijrsb/v3-i11/7.pdf
www.amjmedsci.org/article/S0002-9629%2815%2900027-0/fulltext
pubmed.ncbi.nlm.nih.gov/20921964/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6141719/
faseb.onlinelibrary.wiley.com/doi/abs/10.1096/fasebj.2019.33.1_supplement.819.10
www.biorxiv.org/node/93305.full
pubmed.ncbi.nlm.nih.gov/25909219/
clinical.diabetesjournals.org/content/36/3/217
europepmc.org/article/MED/22402737?javascript_support=no
onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2265.2005.02288.x
www.collective-evolution.com/2017/05/16/study-shows-how-fasting-for-3-days-can-regenerate-your-entire-immune-system/
www.health.harvard.edu/heart-health/abundance-of-fructose-not-good-for-the-liver-heart
holistickenko.com/vitamin-d-kidney-liver-disease/
This list compiled over months of research by the user known as Pottenger's Human on youtube but feel free to copy and paste this anywhere you like, no accreditation needed!
@@LTPottenger Wow. This comment was extremely thorough and insightful. Thank you for putting so much useful information into one place. It's very appreciated!
@@Lynn.B. 😂It’s a copy and paste. Lol
@@Hat65 Are you trying to say that he didn't do the hard work to compile all this data? Even if that's the case, I still thank him for pasting it under her comment. Whether it's a copy and paste or not, it's still very helpful to me.
@@Lynn.B. 🤡🤡🤡
Great video Dr Fung. I will share with my husband who is 62 and has been on HRT for about 6 mos. I do hope 🤞🏼 you cover the female HRT aspect as well. I could use your insight!
fasting also helps with female testosterone levels, and is particularly vital for women in menopause to clear out the improper forms of estrogen that circle in the body at this time.
This is very interesting.
I had a drop in testosterone but powerlifting and ketones over the last couple of years seem to have increased my levels greatly. Before, I considered therapy but not anymore because now my energy levels are very high, workouts are very productive, building muscle and at 55 my wife is extremely happy with how I look and you can figure out the rest, 🙂. Thanks Doc!
Are you on keto? I had not enough energy on it despite my brain liked it very much
@@playerone1431 I’m guessing yes. I will eat some fruit but have nothing to do with any grain products, processed foods or any sugary snacks. I do eat big meals consisting of fatty meats and slightly starchy veggies. Two cups of coffee, and a few mixed nuts is all I will eat pre workouts and I have no energy issues.
Yes the "rest" is you were able to go to Disneyland!
@@saltrock9642 so you're not on keto and at 55 your natural levels are much lower than at 35, which lower than 25.
1:52 - I see what you did there. Nice work, Doc! 😉
Great Knowledge and Advice as always.
I would like to hear a full debate on Prostate enlargement and if high Insulin effects this widespread problem??
Advice on how to manage it, as GPs don't seem to have a Clue how to get results.
Thanks.
70 years old and I have been very low Keto for a while. I have been able to cut my BPH medicine in half but still need it but can use a lower dose.
no reason for debate it's outright lies. Nothing will help more with this than fasting and low carb diet
People should replace testo only if they have a problem on your own production. If you are normal, radical lifestyle change will be enough as I did to myself in my age of 45.
Aa a few others mentioned, could you please make a video for women as well? Focusing on estrogen and progesterone and how they impact unwanted weight gain?
Most of his clients are women. Fasting 36+ h will help balance all hormones.
Some of the many benefits of fasting and a lower carb whole food diet on the immune system, blood pressure, blood sugar and anti-aging, all backed up by clinical data:
Thymus stem cells are regenerated, which suppresses aging and renews the immune system.
Fasting stimulates phagocytosis, the ingestion of bacteria and viruses by the immune system.
Blood pressure is quickly and dramatically lowered, which is very important for a good outcome with the current pandemic.
Fasting increases nitric oxide, which has manifold postive effects like reducing arterial plaque.
Weight loss from fasting only loses10% lean tissue and 90% fat compared to the typical 25% lean tissue and 75% fat lost when calorically restricting for long periods.
Blood clotting is reduced and blood clots and arterial plaque are reabsorbed into the body.
Vitamin D plasma levels are increased, and vitamin D in turn increases autophagy!
Blood sugar and insulin are lowered, allowing white blood cells to move more freely throughout the body and do their job. Ideal blood sugar is around 80. Some viruses activate glycolosis (the release of sugar in the body) and clinically it has been shown that decreasing glucose metabolism in the body weakens the influenza virus.
Fasts of several days will not affect short term female fertility and may increase long term fertility especially in women with PCOS.
It's absolutely fine for cortisol to be high while fasting, because it produces sugar from fat instead of lean tissue ua-cam.com/video/giEDadzoErs/v-deo.html
Does the body prefernetially prefer glucose as a fuel? No, it never uses mainly glucose for fuel and using glucose for fuel is very biochemically damaging! ua-cam.com/video/Nf1jwMbvNxw/v-deo.html
The hormone Leptin is an immunomodulator that keeps the body from attacking itself and obesity causes leptin resistance. Fasting very quickly reduces leptin resistance and leptin levels and one day of fasting can cut your leptin levels in half and gets your immune system working properly again!
When you move out of MTOR your body shuts down the building blocks of the cell which are used to produce organelles and proteins. This means the mechanisms needed by viruses to replicate are by and large unavailable when you are in a deeply fasted state.
It stimulates the AMPK complex and activates autophagy. Autophagy (literally self eating) will cause cells to recycle foreign matter such as viruses and kill cancerous and senescent cells. AMPK does many helpful things in the body including activating the body's antioxidant defenses.
Does fasting burn muscle? In most cases no! ua-cam.com/video/teQIaU6wp2o/v-deo.html
Fasting can make you gain muscle faster: ua-cam.com/video/5RM8GRzsIIg/v-deo.html
Deep ketosis virtually eliminates chronic inflammation in the body. This can offset the life threatening symptoms of viral pneumonia which effectively kills you through inflammation. This also creates BHB ketones in your body, which also help your immune system and anti-oxidative system, especially in the brain. Ketones also provide an additional energy source during infection, which is critical when trying to fight off a bug. In fact you can have as much as three times the total energy available in your blood when you are in deep ketosis, or even more.
It increases mitochondrial function and repairs mitichondrial DNA, leading to improved ATP production and oxygen efficiency and thereby making cells better able to fight off infection. Increased mitochondrial function also has the added benefit of increasing your metabolism and cancer prevention!
Fasts from 36-96 h actually INCREASE metabolic rate! ua-cam.com/video/BeC_gIR2Z14/v-deo.html
Your body releases interferon which is also triggered by the body during viral attacks to shut down the replication ability of the surrounding cells and stop infections.
After 72 hours or more fasted, your body actually recycles large numbers of immune bodies and creates new ones, rejuvenating your entire system.
When you fast, this stimulates apoptosis in senescent or genetically damaged cells. This kills these cells off completely. Senescent cells are responsible for the effects of aging and are the root cause of the development of cancer. If it were possible to destroy them all it would completely stop aging and cancer. That is not possible but fasting can help limit these effects by killing off many of the affected cells and limiting the future effects of aging.
Fasting also releases BDNF and NGF in the blood which stimulates new nerve and brain cell growth, helping a great deal with diseases like MS, peripheral neuropathy and Alzheimers.
In fact, the biochemical regulator of BDNF production is beta-hydroxybutyrate, which is the same ketone the body produces to nourish the brain while fasting.
Autophagy induced by fasting even helps hair regrow.
What breaks a fast? ua-cam.com/video/7aRLsCpxy3o/v-deo.html
Dieters losing weight through intermittent fasting show greater reduction in waist size and increase in insulin sensitivity for the same weight lost and alternate day fasters were shown to lose fat while gaining muscle at the same time over a six month period.
Does fasting lower testosterone? No, it raises it and builds muscle!
ua-cam.com/video/fJUDucBWv4s/v-deo.html
Fasting has been shown to increase bone marrow volume by 10% and levels of carnosine in the body in as little as a few weeks.
Fasting also increases telomere length, negating some of the effects of aging at a cellular level.
Eating one meal a day can bring most of these benefits to a lesser degree, and adding a few entire days off from eating per week will have even more effect especially when starting to feel poorly.
Exogenous ketones can aid with fasting, making it easier in healthy people and allowing some people with specific issues to fast in spite of them without worrying as much about hypoglycemia.
Children, pregnant or nursing women should not fast for periods longer than 16 hours. People with pancreatic tumors or certain forms of hypoglycemia generally cannot fast at all. Type 1 diabetics can also fast but it is more complicated and should be approached with caution as it could lead to ketoacidosis. Those with Addison's disease may also be unable to fast without liberal use of exogenous ketones, depending on severity. If you experience extreme symptoms of some kind, especially dizziness then simply break the fast and seek advice.
Resources:
pubmed.ncbi.nlm.nih.gov/7714088/
pubmed.ncbi.nlm.nih.gov/6859089/
www.ncbi.nlm.nih.gov/pubmed/23876457
repository.upenn.edu/cgi/viewcontent.cgi?article=1537&context=edissertations
www.cell.com/cell/fulltext/S0092-8674(19)30849-9
www.ncbi.nlm.nih.gov/pubmed/25686106
www.ncbi.nlm.nih.gov/pubmed/24905167
www.ncbi.nlm.nih.gov/pubmed/10859646
www.sciencedirect.com/science/article/pii/S0005272806000223
www.ncbi.nlm.nih.gov/pmc/articles/PMC1413655/
www.ncbi.nlm.nih.gov/pmc/articles/PMC2815756/
www.cell.com/cell-metabolism/abstract/S1550-4131(15)00224-7
www.ncbi.nlm.nih.gov/gene/25712
www.ncbi.nlm.nih.gov/pmc/articles/PMC1779438/
www.ncbi.nlm.nih.gov/pubmed/10232622
academic.oup.com/ajcn/article/81/1/69/4607679
www.ncbi.nlm.nih.gov/pmc/articles/PMC3017674/
www.sciencedirect.com/science/article/pii/S1931312809002832
www.ncbi.nlm.nih.gov/pmc/articles/PMC5895342/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6526871/
www.nejm.org/doi/full/10.1056/NEJMc2001176
pubmed.ncbi.nlm.nih.gov/23408502/
pubmed.ncbi.nlm.nih.gov/27569118/
pubmed.ncbi.nlm.nih.gov/21410865/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6407435/
www.arcjournals.org/pdfs/ijrsb/v3-i11/7.pdf
www.amjmedsci.org/article/S0002-9629%2815%2900027-0/fulltext
pubmed.ncbi.nlm.nih.gov/20921964/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6141719/
faseb.onlinelibrary.wiley.com/doi/abs/10.1096/fasebj.2019.33.1_supplement.819.10
www.biorxiv.org/node/93305.full
pubmed.ncbi.nlm.nih.gov/25909219/
clinical.diabetesjournals.org/content/36/3/217
europepmc.org/article/MED/22402737?javascript_support=no
onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2265.2005.02288.x
www.collective-evolution.com/2017/05/16/study-shows-how-fasting-for-3-days-can-regenerate-your-entire-immune-system/
www.health.harvard.edu/heart-health/abundance-of-fructose-not-good-for-the-liver-heart
holistickenko.com/vitamin-d-kidney-liver-disease/
n.neurology.org/content/88/16_Supplement/P3.090
This list compiled over months of research by the user known as Pottenger's Human on youtube but feel free to copy and paste this anywhere you like, no accreditation needed!
My channel which will always contain an updated list of fasting benefits:
ua-cam.com/channels/MC_ZrmTUTGdQiIwJjZq1rg.html
@@LTPottenger You are very kind. Thank you for all this information.
@@jaylenny62 cYou're very welcome!
thank you for such serious scientific data.Direct ,focused ,no time is wasted..Body composition must be stressed and not only ideal body weight ,and BMI.Muscle is important like endocrine gland secreting hormone go in blood stream to brain,liver,heart,kidneys,and muscle mass is the sucking sink of glucose.Watch for Sarcopenia in getting old.To get muscle mass is first resistance excercises ,and no.2 is proteins and nutrition.Thank you .
Hi Dr. Fung, what is you view on using chlomiphene citrate to increase T levels rather than T replacement?
More
On this topic
Absolutely changed my life at age 27 after I replaced testosterone. 47 now, only gain weight if I stop using.
Did u go through a doctor for TRT? was it because yours was low? And if so what levels?
Or did u find some kind of drug online and used it? I'm curious
@@thedoomslayer5863 you should go to a trt clinic. I wouldn’t trust underground sources for hormones. Good luck.
@@PistolPete3322 would such a clinic be able to also just preform a analysis on me to check my total T and free T? I am looking to get real answers on those before I decide to commit to any TRT
@@thedoomslayer5863 yep, they do a complete hormone panel.
@@PistolPete3322 so u can pay for a complete rundown on your testosterone then decide if you want to commit and perform TRT with them?
How would you know if your clinic is a reputable one that's worth a damn for proper TRT? what are some names I should look out for?
Careful of polycythemia from TRT. Happened to me and it sucks.
As an advocate of fasting, Dr. Fung, what is your opinion on how fasting effects testosterone levels? Do repeated extended fasts - fasts lasting more than a day - adversely effect testosterone production when done regularly.
The levels don't really matter, the results do. I have done literally dozens of fasts over 72 h and I can bench 150 lb dumbbells with no PED use ever. If it did sap your virility this would be completely impossible as almost no one can manage that in the first place.
Only try trt hrt after trying regular prolonged fasting
Last year, my male endocrinologist said that my testosterone level was a bit low(279,50) besides being within the reference levels provided by the lab. My thyroid-related hormones were a bit high. He said we were going to fix the T4 dosage and then go from there to see if any treatment would be needed since it could naturally rise. It could mean a major improvement in quality of life, he added.
Well, my testosterone level is about the same despite my thyroid hormone being within normal range now. But the doctor has moved to another city. Now, when I've mentioned this possibility of increasing my testosterone level to my current endocrinologist, an old lady, she looked at me as if I were saying that the moon is made of cheese or something.
This is utterly confusing.
Find a TRT clinic
279 is a really low total test. 50 is free Test im guessing which is super low as well. Plenty of telemed clinics that are very affordable.
@DrJason what does this mean for your dosage ? Should ones dosage be based on their body fat, if yes please provide an example of dosages based on body percentages etc. or do a video thanks
I'm female and recent blood test show that my testosterone is too high at T 0.7. I have an appointment in June to do a more specific blood test at the laboratory because my healthcare isn't the best so I have to wait forever. I have Adipositas. I'm doing prolonged fasting now until my next appointment and see if it gets better.
Dr Fung. Given the importance of hormonal balance and weight loss, what advice is there for women using HRT for the menopause. Is there literature specifically looking at HRT and the effect on weight loss.
Fasting is the best thing women can do, if their liver is healthy then their body will be able to get rid of e3 and avoid ill health effects
Look at the fasting method podcast. I am 52, on hrt and thyroid replacement T4 and I easily lost 20+ pounds using the fasting regime they discuss on their podcast
@@iss8504 I'm also aged 52, on HRT & have just started Thyroid replacement too.
Do you recall the particular episode # where they discussed those specifics? Or did you mean listen to the podcast in general? Thank you
i got my answer in one of your lectures. you strongly believe diabetes is curable and i absolutely admire you for that. And for the fact that you invision a world free of disease. YOU ARE AMAZING.
My dr argued with me when I wanted a hormone panel ordered. And my testosterone came back low in hysterectomy menopause. 😡
Hi Doc, when on TRT do you recommend stopping while water fasting or continue as normal? Im on the cream.
Dr Fung, the charts on minute 4 show g/day of testosterone, is it grams or miligrams (mg)?
People want instant results, regardless of the cost. MOST can effect their testosterone by patiently embarking on naturally increasing testosterone, without the horrid issues from pharmed hormone replacement.
Thanks a lot Dr. Jason for what you are doing continuously. Much respect.
Is there a way to contact you? It is kind of urgent. Thanks
Dear dr. Do you think inositol is more appropriate for pre diabetic PCOS patient?
Hi Doc! I am 68 years old and have a great T. 729ng but my B.Gobulin is high 80 nmol and my bioavailable is low 87.6 ng. Any Recommendations.
Dr. Fung, When I do a 4/5 day fast, i struggle with Acidity issues. I burp, have hiccups and also have loose motions, bordering incontinence. Can u pls advice how to overcome these issues ?
Things I have already tried, but didn't work:
Lime juice. Apple cider vinegar.
Things that helped, but not much:
1. Not working out during fasting coz it increases my acidity
2. Avoid tea/coffee
3. Drinking a lot of water, then vomiting it out to clean my tummy. This process is called Kunjal Kriya in Yoga.
Pls advice why acidity and loose motions happen and how to overcome this.
You're fasting for 4 days straight?? That's hardcore and of course you'll have issues with your body. Try less hardcore fasting protocols.
Maybe we should limit drinking beer as there is some estradiol in it
When I started bodybuilding, I went from 135 lbs. to 160-180 lbs. I used to eat between 4 and 6 meals a day, and sometimes I would get up at night to have a snack or protein shake. Oh boy, that was a mistake. Yes, I gained a lot of mass; however, I had a lot of fat around my mid-section, which I hated. When it was time to cut, I was never satisfied with my physique. I would get down to between 145 and 150 lbs. and would never be able to lose most of the fat around my waist. I had everything, except for the mid-section. I went from eating God knows how many calories down to 900-1100 calories. I was miserable, sluggish, always hungry, had brain fog, lost muscle mass, and couldn't perform in the gym. I started to look into Keto. I wanted to understand more about hormones like insulin and cortisol. I wanted to understand why a calorie is not a calorie. Today, I fluctuate between 145 and 150 lbs. My calorie intake increased a lot. I eat only 2-3 times a day. I'm ripped, have more muscle than before, and I perform a lot better in the gym. I lift heavier now than I was around 160 to 180 lbs. I don't take any kind of testosterone medication, but ever since I tried Keto, my physique has changed for the better, and my energy levels are through the roof.
Building muscle will displace a lot of fat, but you will always have a little. Trying to get really skinny and muscular at the same time is really only possible with PEDs
@@LTPottenger Well, I'm ripped without any PEDs, so 🤷. I'm really happy with my physique. Bottom line... you are what you eat.
@@PS-dp8yg Hey bro, trust him.
@@Hat65 Trust who and what?
Keto and Intermittent fasting will both send your SHBG way up, which in turn will crush your free bioavailable Testosterone, irrespective of having normal total Testosterone levels.
Why are women with PCOS who have levels of testosterone as high as men always obese? The inability to loose weight is also one of the symptoms of PCOS as well as elevated testosterone levels.
PCOS is basically caused by insulin resistance, which makes it impossible to lose weight.
@@LTPottenger I was diagnosed at 21 and only weighed 108 pounds and I'm pretty sure I didn't have insulin resistance.
Dr.Fung, How does one free up testosterone? Thank you.
*I LOVE the VIDS, but I HATE ALL the StuPuds in the Comments!!!*
*LOOK at My AvaTar!!!!*
*See the DARK TIP of My KeTo Strip!!!*
*Day 4 of Fasting, & 2 Massive Dumps into Pot; OtherWise I Notice NOTHING!!!*
*No Hunger, but my Sides are GeTTing a bit sore!!!!*
Fasting may work for myself and others, but it doesn’t work for a lot of people. Some people binge and restrict!
There is no one size fits all approach. I know several people who never fast and eat multiple times a day and they’re very thin and healthy!
fasting is full of health benefits beyond weight loss.
Some of the many benefits of fasting and a lower carb whole food diet on the immune system, blood pressure, blood sugar and anti-aging, all backed up by clinical data:
Thymus stem cells are regenerated, which suppresses aging and renews the immune system.
Fasting stimulates phagocytosis, the ingestion of bacteria and viruses by the immune system.
Blood pressure is quickly and dramatically lowered, which is very important for a good outcome with the current pandemic.
Fasting increases nitric oxide, which has manifold postive effects like reducing arterial plaque.
Weight loss from fasting only loses10% lean tissue and 90% fat compared to the typical 25% lean tissue and 75% fat lost when calorically restricting for long periods.
Blood clotting is reduced and blood clots and arterial plaque are reabsorbed into the body.
Vitamin D plasma levels are increased, and vitamin D in turn increases autophagy!
Blood sugar and insulin are lowered, allowing white blood cells to move more freely throughout the body and do their job. Ideal blood sugar is around 80. Some viruses activate glycolosis (the release of sugar in the body) and clinically it has been shown that decreasing glucose metabolism in the body weakens the influenza virus.
It's absolutely fine for cortisol to be high while fasting, because it produces sugar from fat instead of lean tissue ua-cam.com/video/giEDadzoErs/v-deo.html
Does the body prefernetially prefer glucose as a fuel? No, it never uses mainly glucose for fuel and using glucose for fuel is very biochemically damaging! ua-cam.com/video/Nf1jwMbvNxw/v-deo.html
The hormone Leptin is an immunomodulator that keeps the body from attacking itself and obesity causes leptin resistance. Fasting very quickly reduces leptin resistance and leptin levels and one day of fasting can cut your leptin levels in half and gets your immune system working properly again!
When you move out of MTOR your body shuts down the building blocks of the cell which are used to produce organelles and proteins. This means the mechanisms needed by viruses to replicate are by and large unavailable when you are in a deeply fasted state.
It stimulates the AMPK complex and activates autophagy. Autophagy (literally self eating) will cause cells to recycle foreign matter such as viruses and kill cancerous and senescent cells. AMPK does many helpful things in the body including activating the body's antioxidant defenses.
Does fasting burn muscle? In most cases no! ua-cam.com/video/teQIaU6wp2o/v-deo.html
Fasting can make you gain muscle faster: ua-cam.com/video/5RM8GRzsIIg/v-deo.html
Deep ketosis virtually eliminates chronic inflammation in the body. This can offset the life threatening symptoms of viral pneumonia which effectively kills you through inflammation. This also creates BHB ketones in your body, which also help your immune system and anti-oxidative system, especially in the brain. Ketones also provide an additional energy source during infection, which is critical when trying to fight off a bug. In fact you can have as much as three times the total energy available in your blood when you are in deep ketosis, or even more.
It increases mitochondrial function and repairs mitichondrial DNA, leading to improved ATP production and oxygen efficiency and thereby making cells better able to fight off infection. Increased mitochondrial function also has the added benefit of increasing your metabolism and cancer prevention!
Fasts from 36-96 h actually INCREASE metabolic rate! ua-cam.com/video/BeC_gIR2Z14/v-deo.html
Your body releases interferon which is also triggered by the body during viral attacks to shut down the replication ability of the surrounding cells and stop infections.
After 72 hours or more fasted, your body actually recycles large numbers of immune bodies and creates new ones, rejuvenating your entire system.
When you fast, this stimulates apoptosis in senescent or genetically damaged cells. This kills these cells off completely. Senescent cells are responsible for the effects of aging and are the root cause of the development of cancer. If it were possible to destroy them all it would completely stop aging and cancer. That is not possible but fasting can help limit these effects by killing off many of the affected cells and limiting the future effects of aging.
Fasting also releases BDNF and NGF in the blood which stimulates new nerve and brain cell growth, helping a great deal with diseases like MS, peripheral neuropathy and Alzheimers.
In fact, the biochemical precursor to BDNF is beta-hydroxybutyrate, which is the same ketone the body produces to nourish the brain while fasting.
Autophagy induced by fasting even helps hair regrow.
What breaks a fast? ua-cam.com/video/7aRLsCpxy3o/v-deo.html
Dieters losing weight through intermittent fasting show greater reduction in waist size and increase in insulin sensitivity for the same weight lost and alternate day fasters were shown to lose fat while gaining muscle at the same time over a six month period.
Fasting has been shown to increase bone marrow volume by 10% and levels of carnosine in the body in as little as a few weeks.
Fasts of several days will not affect short term female fertility and may increase long term fertility especially in women with PCOS.
Fasting also increases telomere length, negating some of the effects of aging at a cellular level.
Eating one meal a day can bring most of these benefits to a lesser degree, and adding a few entire days off from eating per week will have even more effect especially when starting to feel poorly.
Exogenous ketones can aid with fasting, making it easier in healthy people and allowing some people with specific issues to fast in spite of them without worrying as much about hypoglycemia.
Children, pregnant or nursing women should not fast for periods longer than 16 hours. People with pancreatic tumors or certain forms of hypoglycemia generally cannot fast at all. Type 1 diabetics can also fast but it is more complicated and should be approached with caution as it could lead to ketoacidosis. Those with Addison's disease may also be unable to fast without liberal use of exogenous ketones, depending on severity. If you experience extreme symptoms of some kind, especially dizziness then simply break the fast and seek advice.
Resources:
pubmed.ncbi.nlm.nih.gov/7714088/
pubmed.ncbi.nlm.nih.gov/6859089/
www.ncbi.nlm.nih.gov/pubmed/23876457
repository.upenn.edu/cgi/viewcontent.cgi?article=1537&context=edissertations
www.cell.com/cell/fulltext/S0092-8674(19)30849-9
www.ncbi.nlm.nih.gov/pubmed/25686106
www.ncbi.nlm.nih.gov/pubmed/24905167
www.ncbi.nlm.nih.gov/pubmed/10859646
www.sciencedirect.com/science/article/pii/S0005272806000223
www.ncbi.nlm.nih.gov/pmc/articles/PMC1413655/
www.ncbi.nlm.nih.gov/pmc/articles/PMC2815756/
www.cell.com/cell-metabolism/abstract/S1550-4131(15)00224-7
www.ncbi.nlm.nih.gov/gene/25712
www.ncbi.nlm.nih.gov/pmc/articles/PMC1779438/
www.ncbi.nlm.nih.gov/pubmed/10232622
academic.oup.com/ajcn/article/81/1/69/4607679
www.ncbi.nlm.nih.gov/pmc/articles/PMC3017674/
www.sciencedirect.com/science/article/pii/S1931312809002832
www.ncbi.nlm.nih.gov/pmc/articles/PMC5895342/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6526871/
www.nejm.org/doi/full/10.1056/NEJMc2001176
pubmed.ncbi.nlm.nih.gov/23408502/
pubmed.ncbi.nlm.nih.gov/27569118/
pubmed.ncbi.nlm.nih.gov/21410865/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6407435/
www.arcjournals.org/pdfs/ijrsb/v3-i11/7.pdf
www.amjmedsci.org/article/S0002-9629%2815%2900027-0/fulltext
pubmed.ncbi.nlm.nih.gov/20921964/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6141719/
faseb.onlinelibrary.wiley.com/doi/abs/10.1096/fasebj.2019.33.1_supplement.819.10
www.biorxiv.org/node/93305.full
pubmed.ncbi.nlm.nih.gov/25909219/
clinical.diabetesjournals.org/content/36/3/217
europepmc.org/article/MED/22402737?javascript_support=no
onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2265.2005.02288.x
www.collective-evolution.com/2017/05/16/study-shows-how-fasting-for-3-days-can-regenerate-your-entire-immune-system/
www.health.harvard.edu/heart-health/abundance-of-fructose-not-good-for-the-liver-heart
holistickenko.com/vitamin-d-kidney-liver-disease/
This list compiled over months of research by the user known as Pottenger's Human on youtube but feel free to copy and paste this anywhere you like, no accreditation needed!
@@LTPottenger I’m so enjoying living rent free in your HEAD/MIND 😂😂😂😂! Thank you 😂😂😂
Hi Jason. Love your videos, they have been eye opening and have helped me a lot to achieve my first 100lb of weight loss in my journey so thank you !! Would you PLEASE do a video to clear up the confusion about calorie deficit during a keto/IF lifestyle? While I’m keto my body should “use” calories from my stored fat when it needs them and lowering my calorie intake / fasting should not harm my metabolism? Lots of videos explain that reducing calories lowers your BMR is there anything you can say to clear this up?
eat more protein
Eighteen months ago I initiated an intermittent fasting and occasional extended fasting program in an attempt to limit the progression of a prostate cancer recurrence, 5 years post robotic prostatectomy. On your intermittent fasting program I lost 27% of my bodyweight and became much healthier but my PSA score continued to rise above the treatment threshold. I am currently taking a combination of androgen (testosterone) depravation and radiation therapies and I'm wondering if there is any evidence to suggest a safe and significant improvement to treatment outcomes incorporating OMAD and/or occasional 72 hour fasts? Thanks for everything you do.
omad won't do much if anything. 72 h fasts will do a lot.
Some of the many benefits of fasting and a lower carb whole food diet on the immune system, blood pressure, blood sugar and anti-aging, all backed up by clinical data:
Thymus stem cells are regenerated, which suppresses aging and renews the immune system.
Fasting stimulates phagocytosis, the ingestion of bacteria and viruses by the immune system.
Blood pressure is quickly and dramatically lowered, which is very important for a good outcome with the current pandemic.
Fasting increases nitric oxide, which has manifold postive effects like reducing arterial plaque.
Weight loss from fasting only loses10% lean tissue and 90% fat compared to the typical 25% lean tissue and 75% fat lost when calorically restricting for long periods.
Blood clotting is reduced and blood clots and arterial plaque are reabsorbed into the body.
Vitamin D plasma levels are increased, and vitamin D in turn increases autophagy!
Blood sugar and insulin are lowered, allowing white blood cells to move more freely throughout the body and do their job. Ideal blood sugar is around 80. Some viruses activate glycolosis (the release of sugar in the body) and clinically it has been shown that decreasing glucose metabolism in the body weakens the influenza virus.
It's absolutely fine for cortisol to be high while fasting, because it produces sugar from fat instead of lean tissue ua-cam.com/video/giEDadzoErs/v-deo.html
Does the body prefernetially prefer glucose as a fuel? No, it never uses mainly glucose for fuel and using glucose for fuel is very biochemically damaging! ua-cam.com/video/Nf1jwMbvNxw/v-deo.html
The hormone Leptin is an immunomodulator that keeps the body from attacking itself and obesity causes leptin resistance. Fasting very quickly reduces leptin resistance and leptin levels and one day of fasting can cut your leptin levels in half and gets your immune system working properly again!
When you move out of MTOR your body shuts down the building blocks of the cell which are used to produce organelles and proteins. This means the mechanisms needed by viruses to replicate are by and large unavailable when you are in a deeply fasted state.
It stimulates the AMPK complex and activates autophagy. Autophagy (literally self eating) will cause cells to recycle foreign matter such as viruses and kill cancerous and senescent cells. AMPK does many helpful things in the body including activating the body's antioxidant defenses.
Does fasting burn muscle? In most cases no! ua-cam.com/video/teQIaU6wp2o/v-deo.html
Fasting can make you gain muscle faster: ua-cam.com/video/5RM8GRzsIIg/v-deo.html
Deep ketosis virtually eliminates chronic inflammation in the body. This can offset the life threatening symptoms of viral pneumonia which effectively kills you through inflammation. This also creates BHB ketones in your body, which also help your immune system and anti-oxidative system, especially in the brain. Ketones also provide an additional energy source during infection, which is critical when trying to fight off a bug. In fact you can have as much as three times the total energy available in your blood when you are in deep ketosis, or even more.
It increases mitochondrial function and repairs mitichondrial DNA, leading to improved ATP production and oxygen efficiency and thereby making cells better able to fight off infection. Increased mitochondrial function also has the added benefit of increasing your metabolism and cancer prevention!
Fasts from 36-96 h actually INCREASE metabolic rate! ua-cam.com/video/BeC_gIR2Z14/v-deo.html
Your body releases interferon which is also triggered by the body during viral attacks to shut down the replication ability of the surrounding cells and stop infections.
After 72 hours or more fasted, your body actually recycles large numbers of immune bodies and creates new ones, rejuvenating your entire system.
When you fast, this stimulates apoptosis in senescent or genetically damaged cells. This kills these cells off completely. Senescent cells are responsible for the effects of aging and are the root cause of the development of cancer. If it were possible to destroy them all it would completely stop aging and cancer. That is not possible but fasting can help limit these effects by killing off many of the affected cells and limiting the future effects of aging.
Fasting also releases BDNF and NGF in the blood which stimulates new nerve and brain cell growth, helping a great deal with diseases like MS, peripheral neuropathy and Alzheimers.
In fact, the biochemical precursor to BDNF is beta-hydroxybutyrate, which is the same ketone the body produces to nourish the brain while fasting.
Autophagy induced by fasting even helps hair regrow.
What breaks a fast? ua-cam.com/video/7aRLsCpxy3o/v-deo.html
Dieters losing weight through intermittent fasting show greater reduction in waist size and increase in insulin sensitivity for the same weight lost and alternate day fasters were shown to lose fat while gaining muscle at the same time over a six month period.
Fasting has been shown to increase bone marrow volume by 10% and levels of carnosine in the body in as little as a few weeks.
Fasts of several days will not affect short term female fertility and may increase long term fertility especially in women with PCOS.
Fasting also increases telomere length, negating some of the effects of aging at a cellular level.
Eating one meal a day can bring most of these benefits to a lesser degree, and adding a few entire days off from eating per week will have even more effect especially when starting to feel poorly.
Exogenous ketones can aid with fasting, making it easier in healthy people and allowing some people with specific issues to fast in spite of them without worrying as much about hypoglycemia.
Children, pregnant or nursing women should not fast for periods longer than 16 hours. People with pancreatic tumors or certain forms of hypoglycemia generally cannot fast at all. Type 1 diabetics can also fast but it is more complicated and should be approached with caution as it could lead to ketoacidosis. Those with Addison's disease may also be unable to fast without liberal use of exogenous ketones, depending on severity. If you experience extreme symptoms of some kind, especially dizziness then simply break the fast and seek advice.
Resources:
pubmed.ncbi.nlm.nih.gov/7714088/
pubmed.ncbi.nlm.nih.gov/6859089/
www.ncbi.nlm.nih.gov/pubmed/23876457
repository.upenn.edu/cgi/viewcontent.cgi?article=1537&context=edissertations
www.cell.com/cell/fulltext/S0092-8674(19)30849-9
www.ncbi.nlm.nih.gov/pubmed/25686106
www.ncbi.nlm.nih.gov/pubmed/24905167
www.ncbi.nlm.nih.gov/pubmed/10859646
www.sciencedirect.com/science/article/pii/S0005272806000223
www.ncbi.nlm.nih.gov/pmc/articles/PMC1413655/
www.ncbi.nlm.nih.gov/pmc/articles/PMC2815756/
www.cell.com/cell-metabolism/abstract/S1550-4131(15)00224-7
www.ncbi.nlm.nih.gov/gene/25712
www.ncbi.nlm.nih.gov/pmc/articles/PMC1779438/
www.ncbi.nlm.nih.gov/pubmed/10232622
academic.oup.com/ajcn/article/81/1/69/4607679
www.ncbi.nlm.nih.gov/pmc/articles/PMC3017674/
www.sciencedirect.com/science/article/pii/S1931312809002832
www.ncbi.nlm.nih.gov/pmc/articles/PMC5895342/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6526871/
www.nejm.org/doi/full/10.1056/NEJMc2001176
pubmed.ncbi.nlm.nih.gov/23408502/
pubmed.ncbi.nlm.nih.gov/27569118/
pubmed.ncbi.nlm.nih.gov/21410865/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6407435/
www.arcjournals.org/pdfs/ijrsb/v3-i11/7.pdf
www.amjmedsci.org/article/S0002-9629%2815%2900027-0/fulltext
pubmed.ncbi.nlm.nih.gov/20921964/
www.ncbi.nlm.nih.gov/pmc/articles/PMC6141719/
faseb.onlinelibrary.wiley.com/doi/abs/10.1096/fasebj.2019.33.1_supplement.819.10
www.biorxiv.org/node/93305.full
pubmed.ncbi.nlm.nih.gov/25909219/
clinical.diabetesjournals.org/content/36/3/217
europepmc.org/article/MED/22402737?javascript_support=no
onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2265.2005.02288.x
www.collective-evolution.com/2017/05/16/study-shows-how-fasting-for-3-days-can-regenerate-your-entire-immune-system/
www.health.harvard.edu/heart-health/abundance-of-fructose-not-good-for-the-liver-heart
holistickenko.com/vitamin-d-kidney-liver-disease/
This list compiled over months of research by the user known as Pottenger's Human on youtube but feel free to copy and paste this anywhere you like, no accreditation needed!
@@LTPottenger Thank you for your response. I will most definitely do some 72 hour fasts. If nothing else, it should minimize weight gain from the loss in testosterone, and I know from experience that my blood pressure will likely remain in check. Cheers
@@bruceviney4452 Make sure to fast during chemo, and start 72 h before it begins. If you ever need to have it.
Great video!! How should I fast if decide to have a testosterone replacement? 200mg (or more) weekly or biweekly? I am used to 24hr water fast, and don't eat processed foods. Thank you!
You should always fast if you can. If you do some 72+ h fasts you probably won't need trt
Dr. Fung my testosterone, I'm a woman, was always 300 to 350, until I started menopause at 42 and it dropped to 87. I turned to flab, gained 10 lbs instantly, went on biodentical testosterone for a year, didn't make a difference. I'm 53, 7 years postmenopausal and testosterone 20. Is there anyway to get into the 300s like I was. I'm taking saw palmetto, which does make me feel better but as a woman how can I get to the 300s like I used to be?
Good day madam. Try 1/4 teaspoon borax combined with at least 30mins of high intensity exercise a day.
@@sherannaidoo2712 Hi, I googled your information and I did not get anywhere. Who is giving that information please?
@@TheWisdomOfTheAges_PsyM_Revd ua-cam.com/video/3UWKFlMvx40/v-deo.html
People in the bodybuilding and strength training communities wonder if adding T in order to build more muscle is safe or advisable.
Check also SHBG and free test!
A problem arises with what is considered a 'normal' testosterone level. Normal levels have been declining for decades, for men of all ages. So what exactly is really normal?
That’s why they recommend lab and clinical evaluation to determine it. They mentioned that in the study.
Trt clinics will take you as a client at 450ish.
@@ripvanwinkle3432 Yep. I was ~400 and they took me. My E2 to Test ration was out of whack. And I had been anemic for 3 years. I'm 61 years old.
@@PistolPete3322 id guess that was due to your age. Mine was at 6% with a total at 425ish. Also to op normal level is 800. Not too low and not too high. Once you get to 900-1000 you can get sides if that isn't your normal level your body can produce.
Can you talk about iron deficiency and if
So Just I Ask My Dr's office, Can I Make An Appointment For A Testosterone Check??
Just had my T checked and it's very low. Might be why I feel like crap LOL
I was waiting for this video , i am an Indian internal medicine doctor , a lot of guys come to me for TRT ,
I'm a doctor too and most of us don't know anything about nutrition...glad there's people like us who is still continueng our study Tru nutrition like fasting
What is the levels of total and free testosterone that you'll see that would make you say "hey you may need TRT" for a male in his 20s?
And if the male has a "normal" level of T but still feels symptoms of low T would you still let him do TRT?
Try an AI first, especially for the obese
There is a good deal of new evidence to suggest errors in the old studies relating testosterone supplementation vs cardiovascular disease. In addition, arms of and follow up to these studies actually demonstrate decreases in the incidence of cardiovascular disease with TRT.
Ita not rocket science. You're able to have more lean muscle mass easier to burn more fat lol
Studies now show that TRT not only does not cause cancer, nor does it cause it to spread, TRT can cure some forms of prostate cancer that has metastasized... go figure!
Does that mean that losing body fat might raise testosterone?
It does indeed. Don't expect giant numerical changes however it does begin to slide upwards.
it will
Sure does. I'm a living proof of that.
Thank You
Dr please help me in curing skin disease
Through the process of intermittent fasting, if one has to take metformin with food, what is the minimum amount of food to take? I.e. a meal or a snack or less ? Please advise.
completely depends on your blood sugar
Losing body fat does increase testosterone without doubt as higher fat in the body increases estrogen and water retention. It's best to be cautious when using TRT despite it's shiny apparel. There are test products that aromatase and others that don't. Plus, they cause a lot of liver issues that are unwarranted for despite being injected. Some say the oral forms cause liver issues but the injectables also cause this to happen despite not going through first pass metabolism in the liver.
Yeah problem is the world as time went now got more and more and more filled with nasty nasty chemicals that poison our soil our water and our food and our air
As well as our soil losing it's quality.
This is why men from the 50s have way more testosterone then men now.
Problem is you can't escape these things even in the strictest diet
So if we were doomed by our environment artificially lowering our testosterone we might need to fight fire with fire and artificially raise our testosterone back up
Mick, everything effects the liver. Aspirin is more toxic then any test injectable’s, and ALL test compounds goes through the liver. The difference are some compounds do not convert to estrogen as others..
What would you recommend be done for a 9 year old boy who craves “highly processed” foods and is very tall for his age but has a tummy???!
I have a similar situation with my 9 year old. High, high carb and sugar diet. I don't want to do a cold turkey strategy. I think that's too extreme. It will take long but I will start cutting back on carbs and replace with more protein and get more physical activity in.
Always been worried about taking testosterone, since they warn about it causing prostate cancer and other significant health problems.
For me it's less of should I and more of how do u get a method of test increase over the counter without prescription
It won't but you are stuck on it
Its high estrogen, not high test/ dht...
I had osteoporosis and they found out I didn't produce enough testosterone.
I ended up having 1 injection every 10 weeks and barely had any testosterone left in my body by then.
Then I stated doing OMAD and now I need an injection every 7 months! I hope that it will improve even more over time but I'm very happy.
Really? OMAD alone got you feeling like you had more test? I've heard similar thing for men who began keto. But I don't know how true this is
Have they checked your pituatry gland?
some longer fasts should fix it, but taking t shuts off your production
Hi Dr Jason,
Thank you for all the help that you provide by sharing your wisdom about the body and how it works in your videos. It has helped a ton of people as can be seen from the comments section of your channel. Kudos!
Most if not all of your vids assume that T2 diabetics have the ailment because of high insulin in their blood or insulin resistance. I am a Type 2 Diabetic and tried IF (16/8) for 6 months expecting to decrease my blood sugar levels and lose the medication (Evopride 1/500 twice a day). However, the results have been shocking with my insulin going from 8.0uU/ml to 1.3U/ml in about 1 year and A1c spiking from 7.2% to 10.1% with an unintended consequence of a 5kg weight loss. I weighed 63kg and now down to 58kg. (there are some people who do not want to lose weight you see). I actually need to gain weight and strength. Any help on that would be awesome!
Could you please make a video regarding the effect of intermittent fasting on Insulin for people who do not suffer from Insulinemia and how to improve the insulin levels other than eating more carbs?
Bless you!
It's going to do very little. You need longer fasts
Dr. Fung. You should look up Dr. Rashid Buttar's presentation on Testosterone replacement therapy leading to cancer.
I would rather stick with natural ways via nutrition. (Animal fat, minerals, etc) *or even ND-01 from Dr. Buttar himself.
Is there a strategy to naturally increase Testosterone? Any foods or dietary supplements that help increase?
🥩🥚🏋🏼
fasting and weight lifting
Could it be the visceral fat / insulin resistance that is suppressing testosterone levels ?
fat cells cause release of aromatase, which turns testosterone into estrogen
Do we have a link to this study about TRT?
Trust him bro!
@@Hat65 for my doctor
Fasting, elimination of processed foods, and Sugar reduction/lower insuline level contributes to increased testosterone?
" Fasting, elimination of processed foods, and Sugar reduction/lower insuline level contributes to increased testosterone? "
Mostly yes, if this was the cause for a low TT.
(But an organic defect can be another cause and then you will not be able to rise your TT levels).
So you need to know what the real cause is, i.e. you need a proper diagnostics...
*I LOVE the VIDS, but I HATE ALL the StuPuds in the Comments!!!*
*LOOK at My AvaTar!!!!*
*See the DARK TIP of My KeTo Strip!!!*
*Day 4 of Fasting, & 2 Massive Dumps into Pot; OtherWise I Notice NOTHING!!!*
*No Hunger, but my Sides are GeTTing a bit sore!!!!*
Will one lemon squeezed in drinking water break a fast
i d like to ask a question about diabetes, dr Fung... from what i understand, when we say someone has reversed diabetes, we mean that he is at all times and for the rest of his life on a low carb diet. Does nt that mean that if he goes back to normal inclusive of carbs diet, he ll be a diabetic again? so diabetes was never cured in the first place, just restricted because of limited intake of food.please, explain cause i m confused. All i what to know is , will a diabetic person ever be able to eat like a normal person or is he condemned to a ristrictive diet for the rest of his life? does he ever stand a chance to have a normal well functioning metabolism some time along in his life or not even dare to dream about it? is compromised health what diabetics have to settle for for the rest of theirs lives?Thank you
Hey! I'm not Mr. Fung, but I'd gladly point you to Bart Kay and his elaboration of the Randle cycle which tries to explain Diabetes T2 as symptom of long-term abuse and inflammation in your body on a bio-mechanical level. What you refer to as "back to normal" is literally "back to eating habits that abuse my body" (the standard american diet).
I get it - if you're new to this topic it's a lot of mind-bending at first, but once you get all the available information and try to paint a big picture you'll see that this form of diet isn't "restrictive" at all.
@@harambeduck4110 you re right, who are we kidding? carbs are unhealthy. or our bodies were not ment to process them.Period.
So if I’m 30 years old at around 25% body fat and my total Test level is around 370, it COULD be beneficial to start taking TRT to help with my fat loss journey?
On the other hand, I’ve heard that taking hormones like testosterone when you’re overweight/obese can be dangerous. What’s the deal with these two perspectives? Is it the dose that matters?
TRT, or HRT, is not a joke, synthetic steroids like that could have an adverse effect, so consider trying a fasting regiment for a couple months before you jump on TRT at only 30. Workout consistently as well, build muscle. Because at your age, we as men have no problem with natural testosterone production.
How do we increase testosterone naturally?
Tongkat Ali
Vitamin D
Eggs
Cruciferous vegetables, meat, eggs, exercise & intermittent fasting.
Besides the good dietary suggestions above, it's not well known but testosterone can be really affected by your social status like "win-lose" social situations. Getting a date or being rejected, winning or losing a game or competition, etc. See here for more: ua-cam.com/users/shortskMhjYFyGYZk and make sure to watch the full video (with sources)
Reduce your stress
None of those worked for but I’m 61 years old. And I tried them for 2 plus years.
I need ur kelp Monica Smith, Dr Jason Fung
Does this all also apply to women? I feel that after menopause women's level of testosterone goes down too and this is why we immediately get fat. Should women also supplement testosterone if the have visceral fat?
好希望有中文字幕...我也想向醫師學習,可惜我聽不懂英文!
I see your message here. Thank you
Hi Dr my hips it’s is not equal one is my hips is fat what you recommend
Anyone know if extended fasting while on TRT is ok?
So true, Doctor.
It must be an Hormonal problem.
Cause, (as a man), i've done all kinds of Diets, especially Keto and IF and ADF, but i didn't lose not even 0.1 punds.
I think try prolong fasting before resorting to hrt
What about women with high testosterone?
I wish I could find one!
Hi Doctor, I'm in my 30s , my doctor says that my testosterone is very high, but I have been fat all my life. Why is that?
Did they check your free testosterone? You can have test in your system but if your free is low that’s a problem.
How to improve my testosterone naturally with diet?
72+h fasts
I am 61 i am also 61 inches tall. I weigh 190 pounds and have had diabeties 2 for two years. My tsh was a 5.99.
I quit eating refuned sugar and all forms of bread and crackers except organic tortiallla chips with organic salsa. No sugar in either.
My sugars are mostly in the high 100s and 200s. I don't have to eat a thousand calories to gain weight. I feel i am trying very hard since i gave up ice cream, candy, pop, chocholae milk, breads, donuts, rolls, well, you get the picture. My doctor had me on metformin, but I didn't like it, so i just got off it. Ive been watching these videos. I do snack. Maybe i will try the intermittent fasting.
some 36-96 h fasts will help your levels a lot
Unfortunately those chips will still turn into sugar in the body. Fast and try to eat the chips like once a week or month and it should start coming down
How do you make a hormone?
Don’t pay him.
This begs the question: Is low testosterone causing obesity or is obesity causing low testosterone. Common sense would tell us that too many highly refined carbs are causing a spike in insulin which forces the body to store fat. Excess stores of fat cause the body to suppress testosterone. Its far less likely that everyone who is obese got that way because they had low T.
🎯 Key Takeaways for quick navigation:
00:15 🧔 *Testosterone plays a crucial role in body fat regulation, showcasing that obesity is more of a hormonal imbalance than just a caloric imbalance.*
01:52 🚹 *Hormonal influence during puberty, particularly testosterone in males and fat storage in females, highlights the role of hormones in determining body fat distribution.*
03:03 💪 *Testosterone levels impact body composition; studies indicate that higher testosterone correlates with lower body fat and increased lean muscle mass.*
05:21 🔄 *Hormones in the body, like testosterone, play a pivotal role in determining how the body processes calories, influencing body fat regulation more than sheer caloric intake.*
06:02 ⚠️ *Guidelines suggest diagnosing testosterone deficiency via clinical symptoms and lab tests, with recommendations for treatment in specific conditions like cardiovascular disease.*
07:51 🩺 *Obesity, insulin resistance, and metabolic syndrome could indicate testosterone deficiency, prompting the need for testosterone level assessments and potential replacement therapy.*
08:32 🏥 *Understanding the impact of hormones, like testosterone, is crucial in comprehending the development of metabolic syndrome and obesity, emphasizing their significance in these conditions.*
Plz help me Dr Jason Fung 🙏
What are you doing up? 🤣🤣🤣
Too much testosterone 😳
hay bb u up??/😏
I thought if you fast, your testosterone levels skyrocket over 2000%. so why would you need trt?
What if the testosterone is way too high?
then you need to go to a dr
Help me pzz
I’m frustrated with losing weight. I have metastatic prostate cancer have been medically castrated and take medication to mop up any other testosterone production. So the takeaway from this talk is I have no hope of getting rid of excess fat. Also the medication limits the ability to exercise for any meaningful weight loss.
Just wishing you good luck with your treatment. Ask your doctor if you can have energy boosting supplements such as b-complex and BCAAs/luecine to help build or preserve muscle , I think they will help.
Try some 72+ h fasts also good luck and God bless