Vitamin D And The Sun. How Much Is Enough To Meet Your Requirements?
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- Опубліковано 28 чер 2024
- Welcome to "Talking with Docs," where we dive deep into health topics with medical experts. In this episode, our doctors shed light on the sun's role in producing vitamin D in our bodies. Tune in to learn about the importance of sunlight exposure, how it triggers vitamin D synthesis, and the impact of vitamin D on overall health. Don't miss this enlightening discussion on harnessing the sun's benefits for a healthier life!
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The general information provided on the Video is for informational purposes only and is not professional medical advice, diagnosis, treatment, or care, nor is it intended to be a substitute therefore. Always seek the advice of your physician or other qualified health provider properly licensed to practice medicine or general healthcare in your jurisdiction concerning any questions you may have regarding any information obtained from this Video and any medical condition you believe may be relevant to you or to someone else. Never disregard professional medical advice or delay in seeking it because of something you have read on this Video. Always consult with your physician or other qualified healthcare provider before embarking on a new treatment, diet, or fitness program. Information obtained on the Video is not exhaustive and does not cover all diseases, ailments, physical conditions, or their treatmen
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What is a 'Sun'? Thanks, Clare ...... from England. 🌧☔
😂😂😂🙌
England is like Seattle. An eclipse makes things brighter...Haha..
😂😂😂😂😂
They say it a giant fire ball in the sky..I have yet to see it...tho sounds nice😊😊 from Northen Ireland ❤
In The Netherlands here.. not as bad is you guys above Holland, but still.
Too many grey rainy days.. Depressing.
I'm in Perth Western Australia. Sun 365 days a week. I avoid the sun. Our winters are like a fine Canadian summer. Really liked your information on this topic. 👍
You both provide a great public service and do in a friendly and approachable way. Thanks. That said, Let’s Go Rangers!!!
Our pleasure! Rangers look good. Leafs not so much
I burn very easy Irish skin 😢. So I usually take a supplement
"can't unsee that" 😂 love your videos.
Nope you can’t. Thanks!
Last year I stopped taking Vitamin D during the summer months. When I got my blood work done in September I was LOW in Vitamin D...I was shocked because I'm outside a lot. I have horses and dogs that I walk daily. We have a big property I'm always on the riding lawn mower or weed wacking. I'm 61 years old I didn't want to be low on vitamin D, but now I take it daily regardless.
I read a book that said if you get sun on your skin, but then wash your skin with soap then it washed all the benefits off your skin. It has to sit on your skin for 24 hours to soak in and become usable vitamin D. So it may simply be because of our culture norms of bathing with soap daily 🤷♀️
Living in a rainy Northern hemisphere I take 4000iu daily year round. Also try to get a half hour a day of sunshine when the weather cooperates.
I love being in the sunshine
I'm in the southern part of the U.S. We get too much sun. A cloudy day every now and then is nice.
We are jealous 😀
I had a severe Vitamin D deficiency but if I took a supplement I felt very unwell. I was finally diagnosed with Primary Hyperparathyroidism.
I would watch these docs talk about anything!!
Excellent video as usual. One thing. More sun at lower latitudes is NOT because you are closer to the sun. A minor detail.
I shun the sun, twelve skin cancers removed. Supplementing all the way. When I go out, it is long sleeves, gloves and wide brimmed hats with sun screen on my face.
Me too, I’m prone to Melanoma along with four other family members, I’ve had to have Chemotherapy recently for an aggressive cancer.
Sounds sensible
Amen brother from a melanoma patient (face, arms) good help anyone who has went thru similar…..not fun…..at least God has kept me here for now :)
How much should we be taking through supplements, amount wise of iu? Thank you
@@duchesskll I only take D3 in a multi vitamin/mineral supplement. Which contains 25 mcg, that is 125% of daily recommended. Salmon, tuna and whole eggs are considered good sources.
You guys are a bright spot of sunshine.🌞Your clips are extremely helpful. Plus fun.😀💙💙
Thanks so much!!!!
NO , for tinted windows . Good information. ❤️🇨🇦❤️
Great info. Thank you!
I love your show. HOWEVER Dr Weening talks fast... i went to my UA-cam settings and slowed down the speed to 75%. Hmmm it did not sound good.
So if Dr Weening could slow down a bit, i'll learn a whole lot more!
Many thanks!
Agreed. Great channel, but Dr. Weening should make a conscious effort to slow down a bit.
Funny, I speed it up to 1.25. I'm impatient and very much behind with my subscribed videos. 😉
I did tell him. What can you do. I will have to go up there and have a 'one to one'! 😉
(If you watch three times, everything sinks in).
LOVE watching and learning from y’all ❤ love from Texas !!
Thanks for watching!
My Rheumatologist has me taking Vitamin D3 as well as Calcium because of my severe osteoporosis.
Thank you for this information.
Very well done! 🎉 Thank you both
Our pleasure!
Favorite video, by far, was the one you did after winning Kona. We've all been pulling for you for so many years, it was so nice to see you smiling and at peace after such a challenging journey. It was an inspiring and brave run... nobody was taking it from you that day!!!
Hmmm not sure if this was meant for us. We may have watched the Ironman in Kona but certainly never raced it 🤣
I live in Toronto and found out last fall that I was Vitamin D deficient, 57 was my level on a scale of 75 to 250. I had no idea that I was deficient so I would recommend that everyone have their Vitamin D and B's checked as part of their annual exams. I started taking a supplement and am now in the normal range.
Nice
Lots of info as usual!, Thank You!
You bet!👍
Talking With Docs, Yay! I liked this video so much, it made me smile!
That’s the goal!
Another great video with very relevant info! Thank you!!
Glad it was helpful! Thanks!
Great video. My wife were" discussing " this today. Very informative.
Thanks for the informative video. 🌞
Glad it was helpful!
You are in charge of your own health ✨
Yes!
Thank you Docs
Welcome!🙏
PS i love your topics...very relatable!
Love your humor 😂
Doing our best! Thanks
I love you guys! I enjoy all of "Talks". Keep'm coming :o)
Thanks so much
I love them too! 😍
I have been to the skin cancer show and seek to avoid a repeat performance. I restrict my sun exposure with clothing, sunhats, sunblock, etc. It's a supplement for me.
Just take vitamin D pills and stay out of the sun problem solved
I have had skin cancer so I don't go out in the sun much and I cover up if I do. A few months ago, my Vitamin D level was 27. I started taking a supplement and now it is 54. I don't know if you have talked about getting your levels checked but I think people should know this information for themselves. They don't have to guess about it.
Many years ago, I can remember seeing a guy who had fallen asleep at the beach. Even the bottom of his feet got severely burned! I’ve had bad sunburn from standing watching Victoria Day Parade. Ended up with blisters, on my arms and face. Sooo painful. My Internal Specialist asked me to start taking Vitamin D and Calcium as my blood platelets dropped severely. Plus I’m 70 now so might need extra protection for my bones. Thank you very much for this info. I’m starting to get sun damage on my face from my younger days now. That surprised me with it coming out so many years later. I thought my eczema was spreading.
Another great video! Thanks Docs for sharing this information about Vitamin D3. Still loving the humor. 😅❤
Glad you enjoyed it!
if you haven't seen the beach scene from a night at the roxberry you need to watch it
Love your videos... but it isn't that Miami is "closer to the sun", it is that the rays are not striking you at as shallow an angle (not a "glancing blow" like in Montreal) and their intensity (watts/square inch) is higher. More UV per square inch of exposed skin, and a corresponding greater risk of a sunburn.
Docs are experts in medicine, not always in physics. I think what really makes the difference is that in Montreal, the sun is lower in the sky than in Miami, so its rays travel through the atmosphere longer, and more of them will be absorbed or scattered before reaching your skin. Your explanation applies to a person lying on the ground, if you stand upright the angles are different for most of the body.
Miami: VitaminD central. 🎉 also.. skeeter central, gator central, hurricane central. 😢
Yes!!
I'm in Florida, so no loss of Vitamin B here, even with sunscreen. You two look a little pasty. Lol. Love to Canada.
I live in Ca & love the sun as I get dark from being in sun a short time. I guess I am blessed. I am french & have always had olive skin. I garden & take D3. Thanks for the info docs. Love your advice.😂❤❤
Thanks for sharing!
Get skin checks.
How much in terms of IU would the times you guys stated give ? Generally speaking. Thanks.
So here in the alps of Switzerland in
Hey doc, how do you get the sun to shine on places where it never shines?
Thank you for all the information I have osteoporosis how much sun should I get
Well it depends on how much vitamin D you get from diet and supplements
It's not that you are closer to the sun when you are near the equator that affects the amount of vitamin D3 your body makes. The amount closer you are is insignificant. Instead, because the sun is higher in the sky at noon near the equator, it is cutting through a shorter path through the atmosphere, so more sunlight gets through to you. Up at the 45th parallel, in North America, like near Seattle, the sun is low at noon, and cuts through a longer diagonal path through the atmosphere, and more sunlight is filtered out before it gets to you, so you need to spend more time in the sun to make the same amount of vitamin D3 than you would need in Miami.
Shorter path. Sounds closer. Thanks for sharing.
@@TalkingWithDocs You guys really don't get it. The sun is 93 million miles away. As stated, it is not that you are closer, it is the amount (depth) of atmosphere the sun has to shine through. Why do you think you can look directly at the sun shortly before sunset?
Shorter route in atmosphere = less absorption.
But this clip is informative, its not going into scientific depth or people wouldnt watch (especially with image of Doc in Speedos stuck in my brain!)
Love you guys and your videos, whether you wear Speedos or not🏊♂️
Glad you like them! 🤣
I've heard alot of controversy on eating kale, due to it's high oxalate levels. I'd love to hear you guys answer, since it is a very taboo topic per day.
We can add it to the list for sure. Main takeaway is that if you have had stones then likely best to stay away
This was a nice discussion of the various ways to get Vitamin D, and how much sunlight it takes to get it. I was surprised, however, given the title of the video, that there was no mention of how much supplementation is enough, and how much is too much. I suppose that, in the end, everyone should get a Vitamin D test every year to see how their levels are, and then adjust their supplementation accordingly. Also not mentioned in this video is how high Vitamin D levels should we be looking for? I did get tested once, back in 2020, and I was at 33, with a general recommendation of >30. Yet, I have prostate cancer, and I have since learned that the rate of prostate cancer progression may be slower if you have higher levels of Vitamin D. So, how high do you recommend levels should be? Over 50? How much supplementation is safe? I'm currently taking about 5-6000 iu per day, and thinking that if I can get my level to stay in the 50-60 level, that would be a good thing.
We get a lot of vitamin between spring, summer and fall
One question is whether sun exposure is superior to supplementation? Does the body benefit more from sunshine than pills? Or, does it make no difference as to the source?
Seeing that you are in Canada is there a high incidence of skin cancer?
Sunlight and Blood pressure Med that states Do Not be to to long in the sun, how much is too much?
I'm at the 35th latitude at 2000 ft elevation, have a small farm/homestead and hate excess clothes.....I think I'm good.😉
Sounds beautiful
The sun has started to come out in recent days. The spring is here. I can even get enough in an apartment without privacy outdoors.
Sweet
Window tinting is kind of shady! Nicely done. What about the slowing down of the body's production of Vitamin D as we age?
Yes very real
I discovered from 23andMe that I have two of possibly three snip’s that makes it harder for me to make D3 in my liver. So I need more UVB light and more D3 supplements. Just don’t burn!
Does the whole vitamin D process in the skin decrease with age? My doctor had me start Vitamin D supplements 15 years ago when I was 65 - I take it every day.
Yes it sure does
Question. Since we need adequate magnesium to help activate d3 in our body when taking supplements, does it apply the same way when it comes to the sun? Will having a magnesium deficiency cause an issue with our body activating its vitamin d when the sun is out?
It likely would
Good information about vitamin d. I was finally tested for my vitamin d level which was minimal and then I had a dexa scan which showed that I had osteoporosis. So I've been reading on that and it seems like the vitamin d doesn't enter the bone without K2 -mk7. Could you speak to that a little bit? Always look forward to your videos, lots of good information. Thank you.
We are currently working on that video and reviewing the evidence
@@TalkingWithDocs Great. TY!
I have fair skin, Parkinson’s, a family history of melanoma, and I live in the Colorado Rockies. My dermatologist says “no sun “ for me. I try to get vitamin D through my diet, but I do take supplements. When I play golf, hike, or xc ski, I cover up head to toe .
Sounds sensible Susan
I am surprised you didn't mention the effect of the time of day on vitamin D production
We did. That’s why we said 25 percent skin exposed at noon
@@TalkingWithDocs Yes, it was mentioned in example(s), but I was referring to you initial list of factors that affect you creation of vitamin D that started at 1:30. I wasn't specified as one of the factors like amount of skin exposure, altitude, latitude, etc. but rather mentioned kind of in passing.
You guys are hilarious 😂
Thanks!
Its not because you are closer to the sun but because the sun goes thru a less thicker layer of atmosfeer that you get more sunlight closer to the equator
Pardon my English, I am Dutch
Another awesome video thank you! California Doctor Roger Seheult is an Emergency Room doctor and he has videos out on how the Sun helps to kill viruses like Covid as well as the treatment for Spanish flu in 1918. Are you familiar and your thoughts on the importance of getting Sun exposure to treat viruses?
Not sure if I missed you mentioning this but, as another person referred to it, does it have to be a sunny day or can you get at least some of your required ration on cloudy days? What about daylight light bulbs or SAD lights? I'm assuming no good since even windows are blockers. 🤔
So cloudy days yes you can get UVB. And no for the lights
@@TalkingWithDocs Thank you. 😊👍
My mom, born in 1914, would say I have to take some sun.😊 Me, I start to burn in 15 minutes 😊. Finnish, don’t go snow blind.
My dermatologist told me to take between 2-5000 iu’s of vitamin D3 to help prevent reoccurring basil cell carcinomas. Seems like too much. I stick to 2,000.
👍
How does the geoengineering affect how much D we get anymore? We hardly see any clear sunny days here. In the desert.
I was taking 5000iu a day plus whatever was in the food plus sunbathing but then my level hit 100. I reduced the supplement but now I have no idea what it is but I'm not worried. Glad it didn't get too high. (100+)
Nice
I have read studies that assert that higher rates of autoimmune disease at higher latitudes is probably due to vitamin D deficiency. Do you believe this is likely and do you take supplements?
As the docs said, altitude is not to be taken lightly. I live at 9,000 ft. Watch yourself. I've been to the equator in Ecuador, Galapagos.
Seriously watch yourself there.
Great advice
You missed a biggie in regards to Vitamin D, Sun Exposure, and health. It's the correlation of Multiple Sclerosis and Vitamin D levels. Studies show that the farther away from the equator that you are. The greater the risk of Multiple Sclerosis.
Thanks for sharing. There is so much to learn yet about MS
Can you get too much vit, D? Thanks ,enjoy your show.
Yes they estimate at about 10,000 per day
My dermatologist and I had this conversation a few weeks ago. I was surprised to discover she wasn't as high on supplements as I thought she'd be. She didn't say don't take them, but suggested that clinical trials so far are still unclear. They aren't expensive or dangerous though. The same wild fish you should be eating for Omega 3s have significant amounts of D as well.
Thanks again, Docs for more good info.
Yes the studies are not as conclusive as they are presented. Only issue with the fish is the lead, mercury, PCBs and plastic. 🥲
@@TalkingWithDocs Hahaha. Good point.
What would make a person have very low v-d (11) that’s ALWAYS out in the sun (gardening) tks💐
so, how many milligrams of D3 should be taken orally daily if there is no sun?
When you approach the equator you need less time in the sun because its rays are more direct, not because you are closer to it.
Glad someone else caught this. Kind of a rookie mistake for men of science. They are still great though.
But WHY do I need Vitamin D3? What good is it? What does it do?
👍🏻👍🏻🌞🌞
They forgot to mention that older people don’t generate a lot of vitamin d from the sun…personally I just load up on sardines…fatty fish is great..
Very true about older people. Main issue with seafood nowadays is the contaminants
I take 3,000 IU of vitamin D3 daily...is that too much?
I recently found out I am severely vitamin D deficient.
Doc says I my levels should be between 50-80.
My blood test came back at 11.
So they had me on a very high dose (50,000 units) for several weeks before rechecking my levels.
They came up to 43, but doc wants it to come up a little higher yet, so has me continuing the 50,000 units for a few more weeks yet before doing another recheck.
I was a little surprised my levels were that low though.
I do spend a lot of time outside.
I love hiking and kayaking and biking.
And I also do birding/photography (mostly nature photography), as well as taking my service dog for walks.
So it's not like I don't spend enough time outside.
And I don't wear sunscreen due to being allergic to one of the main ingredients in it (tested by allergist doc).
And I know I eat some of the foods that also have it in them.
But my body still was badly deficient in it for some reason.
Should also take k2 when supplementing vitamin D at high doses
I read a book on the topic that said the main problem with not getting a good quantity of vitamin D from the sun is because we don’t allow it to soak into our skin. So if you sit in the sun for 15 minutes, you still have to let the benefits soak in your skin for 24 hours & not wash it off ourselves with soap, which removes all the benefits of the sun exposure. Instead just wash with water and only use soap on soiled areas 🤷♀️.
So that thankfully is not true. The vitamin D is converted below the surface of the skin and washing would have no effect on its production.
Please don't wear a speedo anytime! Thx for video !
That hurts Barbara but ok. 😀
@@TalkingWithDocs Ha ha! I 'm speaking in general! Wld never want to hurt you guys! You're the best!
No Speedo please 😂
You don’t want skin cancer, then lower your seed oils and carbohydrates. When you eat a more healthier diet, your skin can handle a lot more Sun.
you are my sunshine, my only sunshine, you give me vit-aaaa min-d....(who can help here)
🎵To get a full dose,
Wear Brad's old Speedos,
and watch that wildlife,
get startled, and flee 🎵 😊
Nice!!👍
@@ClareHarrison-qi3bw hilarious!
@@TalkingWithDocs "i thought I'd get scurvy, but that's the wrong V (vee), that's C (see) and not vitamin D (dee)"
Just get outside and walk in the sun each day for 30 minutes, and take a daily 2,000 IU supplement of VD3. It's a Done Deal.
Das ist zu wenig..😊
Incorrect info on cholecalciferol synthesis,
incorrect info on fat solubility and vitamin d.
It isn't hard to fact-check before you go online.
Please be better with terminology, as "vitamin d" is used lazily as an umbrella term and nobody knows what anyone is talking about unless used accurately. There are numerous metabolites upwards of 50 different ones from sunmade vitamin d synthesis, the major one of focus is cholecalciferol, which before it becomes that undergoes reversible configurations ie:previtamin d3 before it becomes irreversibly changed into cholecalciferol.
cholecalciferol: vitamin d3 (pre-pro-hormone)
calcidiol: 25OHD3 (pro-hormone)
calcitriol: 1,25OH2D3 (hormone)
on cholecalciferol synthesis:
Vitamin D cholecalciferol is a photosynthesis that occurs only in epidermal cells on 7dehydrocholesterol that reside there, and only with UVB + heat, synthesis of cholecalciferol may be able to be made, it is a mechanical molecular configuration change. It is not made from cholesterol, so it is very different from every other cholesterol-based hormone system, cholecalciferol vitamin D3 is the limiting substrate for all other conversions of metabolite and is considered a nutrient,.
The Role of the Parent Compound Vitamin D with Respect to Metabolism and Function: Why Clinical Dose Intervals Can Affect Clinical Outcomes: www.ncbi.nlm.nih.gov/pmc/articles/PMC3849670/
and... New insights into the vitamin D requirements during pregnancy: www.nature.com/articles/boneres201730
on fat-soluble vitamin d....
Once vitamin D goes into fat it seems tough to get it out. It does not exist as esters of fatty acids as was believed for a long time. It just seems to be solubilized there with a slow release, There are no known mechanisms that would regulate this as far as calcium/phos homeostasis. One can consume large amounts of vitamin D but never does enough reside in fat tissue to be released to cause vitamin D toxicity. Access to fat stores is more an issue of insulin levels. Fructose particularly is detrimental in multiple tissues, think MAFL, and ability of enzyme conversions that are involved in multiple interactions including those of metabolic conversions for vitamin d, don't forget the polyol pathway.... the more glucose the more fructose. Also high amounts of fructose are converted to glucose.
Vitamin D Storage in Adipose Tissue of Obese and Normal Weight Women www.ncbi.nlm.nih.gov/pmc/articles/PMC5577589/
You "don't support people taking all sorts of supplements"? Why is that? Because you have no training on nutrition? Because healthy people are not good for business?
I average 10,000 to 15,000 IU's a day of D3 and I'm 76 years young. I have never been an any long-term medication and I haven't had a flu or fever in over 25 years. Oh, I also consume some excellent supplements.
Plus, the only needle's I ever take are for blood tests.
Hi bob. We think you missed the point which it seems that some people do. We have a lot of videos about supplements. We advocate taking many supplements. But some people get angry, not unlike your angry comment, if we advocate taking anything whether it’s a change of diet, supplements or medications. We have had some training in nutrition and have done thousands of hours of research. We want people to be healthy. You should actually take the time to watch our channel. Or maybe our channel isn’t for you. All the best.
@@TalkingWithDocs Curious as to how many IU's a day you recommend. Also, what is your recommended D level in nmol/L or ng/ML?
Why didn't you mention that lupus patients must avoid the sun? You could do a video about LUPUS!
Yes we should.
really appreciate this channel docs! I live in Canada too and take a daily supplement of 1000iu. I'm in mid fifties. I've heard/read that taking even more D, like 2000-4000 is recommended. As you state tho, D is fat soluble so it is stored (not flushed). Is 1000iu sufficient or should I bump up to 2-4k? I don't measure what I'm eating or time outside, etc. I just don't wanna OD on D. How would I even know if it's helping or hindering me?
Thanks for your continued dedication to this channel!
25mcg/1000IU is fine.
50mcg/2000IU also.
Higher than that I wouldn't go. But that's me, from what I read from all kinds of sources.
They sell pills higher than that. But the thought of kidneys getting issues and maybe other complications ...
I take 20mcg to 40mcg vitamin D.
Nothing more..
Age 56.