Vitamin D - Vitamin D2, Vitamin D3 and Calcitriol | Doctor Mike Hansen
Vitamin D - Vitamin D2, Vitamin D3 and Calcitriol | Doctor Mike Hansen
What are all of these things?
They refer to the various forms of Vitamin D in our bodies or in the food we eat. For example, vitamin D3 is also known as cholecalciferol; this is made naturally by the body in response to sunlight. Vitamin D2 is also known as Ergocalciferol and comes from plants. Vitamin D supplements come in the form of either Vitamin D3 or Vitamin D2. If you prefer, calcitriol or 1,25-dihydroxy vitamin D is the active form of vitamin D in our body. When sunlight contains ultraviolet B (UVB) radiation, and when it hits your skin cells, it turns 7-dehydrocholesterol into vitamin D3, meaning cholecalciferol. Vitamin D3, in turn, binds to vitamin D-binding protein (VDBP) and is transported to the liver, where it gets converted to calcidiol, aka 25-hydroxyvitamin D.
Calcidiol is the storage form of vitamin D in the body. Calcidiol is later converted to the active form of vitamin D in the body, meaning calcitriol, or 1,25-dihydroxy vitamin D. This conversion of calcidiol into calcitriol mainly occurs in the kidney. But it also takes place in different tissues and cells of the immune system, such as lymph nodes and alveolar macrophages. And not only in alveolar macrophages but the alveoli themselves.
Vitamin D3 is only found naturally in a few different food sources, mainly fatty fish, like cod, swordfish, tuna, and salmon. Milk doesn't naturally contain vitamin D3, but it has been fortified with it for almost 100 years now. But other dairy products made from milk like cheese and ice cream aren't typically fortified with vitamin D and contain only small amounts. So to meet the RDA of 800 IU, older adults would have to drink about 4 cups of fortified milk per day. Vitamin D3 mainly comes from sunlight, though, not food. But the skin's vitamin D production depends on several factors, only some of which you have control.
Depending on the season, where you live, where you travel, the time of day, the clothing you wear, and the umbrella you use, all of these factors determine how much UVB light hits your skin. The sun's rays are most direct between 10 a.m. and 3 p.m. However, the farther you live from the equator, the less UVB radiation you receive. People who live north of about 37° latitude can't make any vitamin D from sunlight from November to March.
Why is this the case?
During the winter months, the earth tilts away from the sun, ultimately leading to fewer sun rays hitting the earth. Having darker skin means less UVB absorption, which means less vitamin D3 production. Also, as we age, our bodies become less efficient at converting UVB light into vitamin D3. This is why older people and darker skin people are more prone to have lower vitamin D levels. Many older people have reduced exposure to sunlight for different reasons and may not be getting enough vitamin D in their diet to make matters worse.
Vitamin D signals the intestines to absorb calcium into the bloodstream.
This happens even if you have enough calcium in your diet. Besides strengthening bones, vitamin D helps reduce fractures in the elderly by preventing muscle deterioration and reducing the chances of falling.
The official definition of a vitamin deficiency means that specific health problems arise due to not having enough of a particular nutrient. True vitamin D deficiency in children causes rickets, a bone disease where the legs become bowed. This is rare in the United States. Vitamin D deficiency in adults can lead to osteomalacia and osteoporosis, leading to bone fractures. So what if you don't have deficiency per se, but you have less-than-ideal levels of a specific vitamin? Well, this can increase your risk of various health issues, even though they are not solely responsible for these problems. This is what we call "Insufficiency."
Most medical societies consider someone with vitamin D insufficiency if their level is between 12 to 20 ng/mL (30 to 50 nmol/L), and Vitamin D deficiency is less than 12 ng/mL (30 nmol/L). Most experts consider normal levels to be above 20 and less than 50 ng/ml. Most people in the United States have values around 20 ng/ml.
But having too high levels can cause other health issues. In one study, levels above 32 ng/ml resulted in people getting less quality sleep. The risk of vitamin D toxicity typically occurs at levels over 100 ng/mL in adults who also ingest substantial calcium amounts. Vitamin D toxicity, whether it's from vitamin D3 or vitamin D2, generally occurs after inappropriate use of vitamin D. It's essential to avoid excess vitamin D in pregnancy because that can cause calcium levels to rise to the point of causing seizures in the mother and developmental problems in the baby.
Doctor Mike Hansen, MD
Internal Medicine | Pulmonary Disease | Critical Care Medicine
Website: doctormikehansen.com/
#vitamind #d3
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@hsa3409
2 жыл бұрын
What’s the vitamin D3 supplement that you take? You promised it in the video but I don’t see it in the description 🙂.
@skoetie1088
2 жыл бұрын
Hello doctor how you doing sorry to ask.have you had your vaccine
@skoetie1088
2 жыл бұрын
The reason I'm asking because I went for myne and I'm seeing people are saying that it can kill you I'm just very worried
@louiscyfer6944
2 жыл бұрын
doc, please don't say ignorant things. ml is pronounced milliliters and mg is pronounced milligrams. just like you pronounce lbs pounds.
@9999classy
2 жыл бұрын
Dr You fo not specify which D you measure in the lab , I do & recommend 1,25 hydroxy ? Is this correct
I am so glad I found someone who is giving information with no hidden agenda other than to make sure the people have knowledge..
@JKweez
4 жыл бұрын
He does have an agenda. In one of his videos he said hydrochloroquine didn't seem to work because of studies that involved critically ill patients. Hydrochloroquine's benefits are for the early stages of the infection. So why did he mention a study he knew was worthless?
@christianlewis7985
4 жыл бұрын
Exactly. Thank you
@bluellamaslearnbeyondthele2456
4 жыл бұрын
@@JKweez you're totally right. He's a shill. Everything he said in this video was biased and ill advice. Never take more than 4000 iu? Last time I checked, 5000 to 10.000 was a good idea.
@abbadelcielo8944
4 жыл бұрын
@@JKweez it is true though that HCQ is not recommended nor useful for the critically ill, so his saying it doesn't mean he has an agenda, but that he might be unaware of the appropriate use of HCQ (in conjunction with AZ & ZN). But I also just saw on his KZread community page that his video on 5 MOST PROMISING DRUGS FOR C19 (including Remdesivir but not HCQ) "has been removed for violating YT community guidelines)".🤔 So I would really like to know what Dr. Mike Hansen's stand is on HCQ. Dr. Mike?
@nevinebailey4283
3 жыл бұрын
I am going to take my vitamin supplement
I am 43yrs old and have had fatigue my whole life, a few months ago I started taking D3 and it has transformed my life. I live in South Africa and one would think growing up under the sun would help but no, I had a deficiency and nobody could figure it out. Thank you for sharing
@chanelmone4721
2 жыл бұрын
What I may like to have when I feel fatigued is beet juice. It's great for energy
@Hairbytyra.s
2 жыл бұрын
Aśe ‼️🙏🏾💕
@sayit1196
2 жыл бұрын
@@chanelmone4721 so you get a sugar rush and antinutrient liver flush, people shouldn't do that xD
@vicebigo5977
2 жыл бұрын
I took vitamin d3 and gave me serious headache pls do you have any advice how to lessen d side effects
@larryrobinson1399
2 жыл бұрын
Sometimes I wonder could they not figure it out or did they not want to to keep us coming back
🇨🇦Canadian Pharmacist here. Great explanation. Vitamin D deficiency is a public health issue here in Canada and it’s not easy to get tested for deficiency without a specialist. This is a topic I believe needs more attention. Vitamin D has many roles in the body and we are learning more about it as times goes on.
@justnewsnetwork1837
3 жыл бұрын
Hi...what's your perspective on the fact that no medical body or government has bothered to make a major announcement telling people about the mountain of observational and clinical studies(many of them available by march) all pointing to the dramatic protective effects from Covid-19 that vitamin D appears to provide. In our opinion it was malpractice to not mention it in march, but it is now bordering on criminal. Perhaps you have a different take as somewhat of an insider?
@FriendlyPharmacy5
3 жыл бұрын
JustNewsNetwork Well I wouldn’t call myself any kind of insider however, We know that vitaminD is not a cure for Covid-19 so there may be some apprehension around recommending it and then having people think it is a cure and they neglect to take other precautionary measures. Just a guess. Also, right now the focus is more on finding a cure, or a vaccine. Dr.’s and other officials will be hesitant to accept anything but a good RCT before declaring the effects of vitamin D as truth. This pandemic has been riddled by misinformation and so there is maybe even more hesitancy right now to communicate about things we aren’t absolutely certain of, without a randomized controlled trial. I realize the evidence for the role of Vitamin D in immune function is increasing, this is just my guess of what may happening. Just a few thoughts there, just an opinion, again, I’m not an expert.
Thank you for giving an honest and educated review. It’s greatly appreciated .
I don't know how Dr. Hanson doesn't have millions of subscribers....A Dr. Who just cares about educating properly.
@Spark-Hole
3 жыл бұрын
Well, his subscribers belong to more educated group. Not so many of them in the world.
@briannickel6813
3 жыл бұрын
@Nicholas guardabasso You have the freedom not to watch!? Jealous much?
@BillyJ57
3 жыл бұрын
He has over 900,000 though
@briannickel6813
3 жыл бұрын
@@BillyJ57 I am guessing 250k when I posted.
@melonkask
3 жыл бұрын
@@Spark-Hole after what you wrote, I conclude that you are not one of them, it is generally known more about proper vitamin D supplementation than the dr hansen says in this video, especially the combination with vitamins K2, A and E ... taking 1000 iu D3 is absolutely makes no sense, it will not raise serum 25(OH) D concentrations so what is the point?
Knocked it out of the ballpark...again. Another reason this channel deserves a "Best of KZread" award.
What an impressive, wise, interesting, and well spoken Doctor!!! Thank you for sharing your great knwoledge in such a clear, detailed, and charismatic way!!!🤗👏👏👏
I’ve only seen two videos and already know this channel is high quality value.
Mike should be a role model to many other doctors .
God bless you doctor. You are one of our angels and our savers in this time of catastrophic.
@elaiuetomlinsion6963
3 жыл бұрын
Very informative
Thank you Doctor for taking time out of your schedule to make these videos. They give us information that our own doctors never seem to have time to pass along.
Loved to hear it. Lovely and perfectly explanied. Thanks Doc!
You're a breath of fresh air in a time like this. Thank you doc.
I applaud your timely videos and informative, easily understood manner. Physicians cannot always make time for valuable explanations.
I am so glad and grateful that I found a very reliable medical doctor that discusses and explains medical topics simply and so easy to understand. Thank you Dr. Mike Hansen for investing so much time educating the public. I hope you’re my medical provider (doctor). Posted from Los Angeles, California🇺🇲
@kathleenking47
Жыл бұрын
The more melanin, the more vitamin D3 you need
Thank you for the knowledge. Dr. Hansen is so kind giving this health info free of charge. Stay safe and healthy.❤
I appreciate your straight forward approach to disseminating information. It is refreshing and much needed.
Love how you explain everything clearly and then you throw in some humor for fun. Thank you for not being boring when you are explaining things.
Love this. Thank you for explaining what we need to know.
We need more doctors like you Sir!
That’s it! I’m totally saving this video to share with my clients, friends & family. You touched every aspect of this topic. Thanks for sharing.
@GA-1st
4 жыл бұрын
It's downright criminal that this issue isn't vigorously addressed by public health officials, especially when people of higher melanin content are most impacted by this disease. It makes the cynic in me one wonder if that sad fact may be the reason why it hasn't been!
@germyw
4 жыл бұрын
@@GA-1st We aren't the MOST impacted. We are disproportionately affected. White folks need to know that they are still the majority of cases and deaths. I don't know (well, I do) why they are emphasizing just us. It gives the wrong impression. That's why folks are out protesting with flags acting like they are immune.
@lynet1998
4 жыл бұрын
@@channellock4025 You've been taught wrong. Dark skin has more melanin. Melanin reduces the skin's ability to make Vitamin D. The worse affected are probably older, dark skin people who don't get in the sun and have a poor diet.
@temporary6715
4 жыл бұрын
Lyn Et melanin does not reduce the ability to make vitamin d. It is people without melanin who are deficient because they cannot be in the sun as long due to the harmful uva rays as well as the fact that sunblock prevents the skin from absorbing the uvb rays further reducing the ability to make vitamin d.
@temporary6715
4 жыл бұрын
Lyn Et it’s really strange that you and others like you are now trying to suggest that having strong dominant genes is now somehow a bad thing. The more pigmentation... the higher you are on the scale of phylogenetic ascension. There is absolutely no downside to having melanin.
Five stars on this video! Excellent! informative and concise. the perfect length. thank you very much. i'm looking forward to the next video.
Excellent how you take seriously the things that you convey in your channel. Great channel!
Thank you for sharing your insights Dr. Hansen!!
Makes me glad I spend lots of time in the garden.
@EK-wi2me
2 жыл бұрын
I do too but I cover up. That sun hurts.
I recommend 2 hours per day of mandatory nature, sunlight and fresh air. Good food and rest in the shade in a stress free environment.
@lizeggar2421
2 жыл бұрын
Good luck finding 2 hours of sunshine in the UK🤣🤣
@Hartleymolly
2 жыл бұрын
@@lizeggar2421 I did not know that until this year, that’s so insane!! Why is that?
@nehabansal3748
2 жыл бұрын
If incase you don't have time to take natural vitamin D3 then you may try Roncuvita Vitamin D3 spray to boost your immunity. I am satisfied from their product.
@lizeggar2421
2 жыл бұрын
@@Hartleymolly do you mean why don't we have a lot of sunshine? We just don't seem to get much. The last couple of days have been lively, but I think all you ether, this summer, we are lucky if we had 10 days in total. I am from Africa, so it took quite a bit of getting used to. Lol.
@jannd8170
2 жыл бұрын
@@lizeggar2421 being from a sunnier place makes your body more in shock from the loss of vitamin D too. I’m in Canada and in the same situation, 8 months of the year we can’t really expose our skin to the sun haha. I hope you’re able to get what you need though, winters can be pretty rough.
Thank you so much for taking the time to make these informative videos. It's more important than ever to have this knowledge and I love to learn💜
Thank you Dr. Mike Hansen!
I’m going to tell my husband we need to move to the equator and wear little to no clothing. I’d rather not risk deficiency 🤣
@victorarregnelle8976
4 жыл бұрын
Dammit, mean while most of our wives out here trying to move somewhere cold and shady to wear more, if you know what I mean. Sigh.
@DoctorMikeHansen
4 жыл бұрын
Gotta do whatever it takes 😀
@umiluv
4 жыл бұрын
ITHEREONETHATHASNT - hahaha, right? 🤣
@scotthenry3794
4 жыл бұрын
Funny, in many of the Equatorial countries the women cover themselves up, head to toe so they're probably still deficient, hahahaha. I'M referring to SE Asian countries mostly, I guess
@tonyawhitten650
4 жыл бұрын
You dont have to move to the equator. Just move to Ga or Fl. I grew up in Ga and there is a reason why we wore cut-offs and tank tops.
Big fan here. And again, thank you. I am a RN and soaking up this information. Bless you.
Excellent video Dr. Hansen. I am 70 years old and take 5,000 or sometimes 10,000 units per day. I also live in Thailand. Not many 70 year olds are as strong and fit as me!
@YouPube_X
Ай бұрын
Or as humble…
Excellent video on vitamin D. Thank you, Dr. Mike Hansen.
Thank you for taking time out of your busy schedule, and time away from your relaxation time, to make such informative videos that will help to educate the population, thus increasing health literacy and overall creating a healthier community/country.
I was waiting for someone to expand on this topic. thank you!
@Angiehere-1
4 жыл бұрын
Tony Diaz Watch Dr. Eric Berg. He’s had this info out there for months.
I have been watching many of your videos during the pandemic and in between study breaks and I have learned so much! Thank you so much Dr. Hansen, because of you I have been able to make informed decisions in regards to my health and educate my parents ☺️
@beautiful4359
2 жыл бұрын
Did you watch the one where he said Ivermectin is of no value in the treatment of Covid19? What a joke and he’s either woefully uninformed to say that or, highly unethical.
Thank you for the detail. Love your videos. They explain so many things about which I’ve been curious.
Wow mind blowing. Just found you. Thank you for being so kind in sharing your wisdom. You have a great presence and explain things so they are easy to understand. BRAVO 👏👏👏👏👏
this is so important, thanks for sharing the detail! I appreciate your insight
Going on a dr. Hansen binge-watch. Your videos are very calming 🤔
the more videos I watch, the happier I am that I found this channel. I already feel so much smarter lol.
Great video. This was the most complete video on Vitamin D I've seen on KZread! Congrats Dr. Mike.
@EddyFeyen
2 жыл бұрын
There are much more vids then you think and his overdosis is based on one experiment. I prefer to see what most docs say and not base it on one doc.
@vandpiben
2 жыл бұрын
@@EddyFeyen he's so underinformed it's insane. Not only to talk about being delayed by years. Vit D importance against Corona e.g. used to cure depression. And the synergetic effect to take with vit a zink etc. Then he talks about sun rays but not the importance of vit c. He is just the tip of general I formation without having the proper understanding of all these mechanisms
Dr. John Campbell informed his viewers about Vit D over 2 months ago. He discussed it again recently. He’ll be pleased that our doctors are finally getting around to it.
@KJ-oon
4 жыл бұрын
My doctor here in US put me on it 7 years ago, so I guess more people are listening now because of the pandemic.
@Addi_Teacha509
4 жыл бұрын
Im sorry the world doesn't listen to Africans.. some Africans scientists i follow have preached this and the value of good nutrition. The GMO food they grow in the west is anti good health
@tom123b
4 жыл бұрын
Shiva Ayyadurai warned people sbout vitamin D deficiency in early March, as well.
@1991jdclark
4 жыл бұрын
Most Drs want to wait until the data from research is done before discussing it in correlation to any disease. Especially when it can cause any kind of poisoning.
@lynet1998
4 жыл бұрын
@@Addi_Teacha509 Lots of people know about the crap GM food but it is almost forced on people. I hopefully don't eat much that is hidden, I read everything & don't eat much processed food but this isn't easy for everyone.
We love you, Doctor!!🙏🏼👏🏼
Thank you Dr Hansen for this useful information. May Allah always bless you.
I love how you integrated geography into your presentation on vitamin D. 👌
My husband and I both eat Mackerel. I make Mackerel burgers that are very good. We also love Sardines.
@valerielock2374
3 жыл бұрын
Do you have a receipe?
@Ferruccio001
3 жыл бұрын
I love mackerel. But mostly in tinned form though. I love sardines as well. The burger sounds good!
THANK YOU, doc!! You ALWAYS share GREAT information!!!💕💯
Thank you for sharing your knowledge! Appreciate this channel so much and even after this horrible pandemic and when things are controlled I will continue to follow you!
Dr Mike you are a Godsend that takes health care to a ' level of appreciation ' by all of us. If l had the power you certainly would be appointed the President of a World Health Organization instead of those currently in charge with money on their brains.
Great video, little twist of humor added with Precious. So my lattes are serving me well after all! For vitamins I have been much more diligent since going to gummy form ,and they taste great! Thank you so much, you must be so busy yet you make time for these teachings.🙏
Can I just say thank you for making videos! They’re super informative, obviously research backed, and easy to understand. Keep up the amazing videos! ❤️💙❤️
Dr. Mike Hansen: Thank you so much for solid facts amid political hysteria. Subscribed..
Thank you so much for this important information! I really appreciate it.
Just had my D3 level checked at my annual physical. My level was 50 nmol/ml I've been supplementing at 3,000ius daily for the last 3 months. Prior to that I had supplemented at 2,000ius daily for years using the gel cap form. I'm biracial, German/Nigerian with medium brown skin and live just north of Chicago. I control portion size strictly, drink no soft drinks, eat very little sweets as I'm still in a project to reduc my weight from 270 to 190. I was an office manager during my working years and lead a very indoor lifestyle in retirement. I'm 66, would say I'm in very good overall health, stable 195 lbs, with no joint pain of any kind and no other health issues. I also supplement with a generic mega-multi vitamin and a turmeric capsule. I have been taking the turmeric for more than 20 years, a multi-vitamin religiously for more than 40 years. As an asthma/chronic bronchitis sufferer I jumped on an ad-hoc study by some local area nurses using D3 supplementation in an effort to lower worked missed due to colds. The study showed an 80% reduction in lost time because of the supplementation. I've gone from a cold a month, bronchitis 2-3 times a year, with constant nasal drainage to almost perfect respiratory health since I added D3 to my regular asthma meds almost 10 years ago. I highly recommend that everyone supplement 1,000ius until you get your numbers checked, unless you have a contraindicating medical condition.
@susandavis4996
4 жыл бұрын
Similar experience. Moved from almost continuous colds and sinusitis for 55 years to maybe one mild cold a year after chance test for Vit D. revealed NONE detectable in my blood and led to me taking regular supplements.
@andrewbennett6359
4 жыл бұрын
@@susandavis4996 Did you supplement k2 aswell?
@starrynight3363
4 жыл бұрын
Andrew Bennett I agree - need K2 ANYTIME Taking D3, otherwise Vit D is allowing for high Blood 🩸 CALCIUM, which then causes calcification in soft tissue!!
@andrewbennett6359
4 жыл бұрын
@@starrynight3363 I was supplementing around 7000IU on average/ day without k2 and I definitely felt the effects.
@Winkkin
4 жыл бұрын
@@starrynight3363 I take a mega multi daily, have for more than 40 years and eat kale(until the salad bars went away) and fish regularly. I checked the last 6 year's annual physical blood tests to see if serum calcium levels were there. They were With a normal range of 85 to 10.2, I've been consistently in the 9.6 to 10.1 range with the most recent reading being 9.6, the same as my 2018, 2017, 2014 tests ( 2019 ~10.0). I will be recheking the calcium level next year having gone to the 2000iu level of D3. Question are the bound-powder tablets or the oil filled jelcaps better for absorption. I was thinking the tablets might make the trip through the stomach better and deliver more usable vitamin to the intestines?
Excellent Dr. Hansen thank you for sharing.
Great summary, thanks fro your time and enthusiasm!
Perfect explanation, thank you Dr
This year I feel like am in medical school 😷thanks doc, watching from south Africa.👍
America loves our Dr. Mike! Thank you for all your lectures, Doc. Pennsylvania sends you a Thumbs Up ! ☺
Excellent series! Especially useful are the ones related to Covid-19 (given the huge misinformation around the net & medias) Keep it up man, you're doing amazing job!
Shared on my FB page. Excellent information
Looking forward to your follow-up!
Thank you for simple way to explain and clarity about D's
Thank you doctor! Please keep up the good work!
him & dr campbell my goto medical guys. your work is so valuable. thank you
@kaygataki6163
4 жыл бұрын
Also Medcram. Perfect trio.
@kimberleeadams7731
4 жыл бұрын
Dr. Been for the details
@arthurdick9553
4 жыл бұрын
If you don't trust the government, don't trust Dr Campbell. He is just an 'official' spokesperson. Yes some medical detail but only that which is in line with that weeks official narrative. Look across other sources and make your own mind up. Stay safe.
@Gymnastics-er3kx
4 жыл бұрын
Arthur Dick, you are totally not correct sir, as you recommend do you own research into Dr. Campbell’s credentials, he has extensive nursing experience, the middle part of his career was a nurse educator at Cumbria University, he has published nurse educational books and he supports nurse education in poorer nations. The man is not a Government mouth piece at all, far from it, he has medical contacts throughout the world due to his educational respect and status in that field. You do this genuine medical educator a disservice, but that’s your loss.
WOW, and thank you again. Living in the far North of the US, there are jokes about it being "Vitamin D time!" To hear you say "You can NOT just get enough from sunlight!" It seems that everyone has to take vitamin D supplement in the winter. But, almost every doctor I know tests for this, and you get the "So, it's time for the vitamin D!" A few times I've been low enough, to have a kind of BUMP week to force it back up for a while. A few of my friends argue that NO ONE needs to take a vitamin, but most of my senior friends tend to take a vitamin in the winter. Then summer hits and most of us are fine. Thank you again.
@mumbaidoctor
4 жыл бұрын
Even for supplements to get absorbed, some amount of vitamin d is required
@spiral-m
2 жыл бұрын
You are absolutely right. I even did a satirical song on this to raise awareness (on my profile Spiral-M if you want to support the awareness through music means by subscribing / sharing). "Vitamin D and Covid-19 (lyrics)". B.t.w. it is a labour of love...
Thank you i really appreciate you taking time out to educate us.
THANK YOU SO MUCH FOR TAKING THE TIME TO POST THIS VIDEO IS VERY IMPORTANT. IM LEARNING SO MUCH WATCHING YOUR BEAUTIFUL VIDEO.
Excellent video and excellent advice. I look forward to your sequel video on vitamin D.
Somewhere around 15 years ago I read an excellent article about Vitamin D in a Science magazine that I used to subscribe to. I started supplementing with Vitamin D shortly afterwards.
That is some useful info. Really appreciate it !!!
Thank you so much doctor mike for sharing valuable information
Just gained yourself another sub, very informative , love the content
Thank you for great information Dr. Vinaka 🇫🇯
Many thanks Doc, very informative👏🏿👏🏿
Informative brief and to-the-point I love it great work
Thank you, great presentation :-)
Excellent video ,love it.
Dear doctor, very informative, thank you so much😄💖
The BEST of the BEST !!! Thank you!!❤
Thank you Doctor, the subject well covered and explained in layman's terms
Thank you Dr. Hansen! Your presentations are wonderful. I live in northern Indiana where we have many cloudy/rainy days. It was good to get your recommendation for proper dosage as 3 years ago I was determined to be deficient. I have convinced my mother to start supplementing also. Doctors should know the Vit D status of EVERY person who contracts a severe case of COVID 19! In fact doctors should ask dozens of questions to those afflicted so that the citizenry can, with time, know ALL the risk factors not just the ones that are obvious, e.g. having COPD. I'm looking forward to your next presentation.
This is the information that I needed, thank you for sharing
Thanks for sharing Dr.its a big help
You are just so great! Thanks for this information. I can hardly wait to see the next vitD video 👍😀
@marylouirick7316
4 жыл бұрын
He not the first one who spoke about THIS.!☀️🌝😄
Thank you for the in depth explanation of the significance of vitamin D3
Thank you DR. the information here made a difference for me. I appreciated it!!!
Outstanding Delivery!!
Vitamin D is a very important one. When I moved to Canada in 2015 from a tropical country and Winter kicked in I started suffering depression. There where many factors as I had a lot of stress and some other problems. I never felt like not wanting to do anything before. So I quickly asked for mental help and the Psychologist recommended a Vit-D3 tests, my levels where low. I started supplementing and sun bathing and my depression went away in three days despite all the stress and other issues getting even worse. I'm not of very dark skin so I can imagine how thing can be for other people. I also understood why people living in northern latitudes get depressed so easy, as depression is quite uncommon in tropical latitudes. Actually in my home country most people think that Europeans and North Americans get depressed because they are "soft", but maybe is more related to their metabolism.
@reiniertl
4 жыл бұрын
@Citizenthirteen I call it Spring fever. When my wife joined me she came in winter. She used to say, people here are so boring, they don't go out. On the first cool day, people were out like crazy ants. I told, her Spring fever is kinking in, it will only get better. Our schedule was so busy we had to refuse a few invites. Sadly, this Spring-Summer season is going the horrible. My BBQ is still cold :-(.
@reiniertl
4 жыл бұрын
@Henrik Wallin I get your point but for example here in Canada I fear doctors and politicians won't talk about it for fear of backlash. The moment they say that if you have darker skin you should be more concerned about your Vit-D levels a lot of SJW will call it on racism. It is sad that when there is an objective issue like this politics cannot addressed it properly because of political correctness and a few of crazy people that deny simple facts. I never saw in my home country so much BS about race as I see here, and we are quite an interesting mix of all colors and shapes. I feel there is much racism here with all the PC BS than in my home country.
@Borakization
4 жыл бұрын
Reinier Torres I actually think they would appreciate it. I’ve been passing that information along to all my friends with darker skin tones and they are absolutely thankful and pass it on to their friends and family.
@stilllearning7434
4 жыл бұрын
@Henrik Wallin good info , i didn't know
@cheezheadz3928
3 жыл бұрын
I'm guessing sitting in the sun a few days would have done the job without synthetic vitamins.
Why haven't I found this site before? Dr. Hansen, you are marvelous, and so informative! ( I dig that flare of humor that erupts occasionally too.) ❤️
Your videos are very informative and helpful. Thank you doctor👍🏽
Very informative, God Bless🥰💚
Thank you for providing essential information about vitamin D.
"Does anyone eat mackerel these days?" Yes, regularly. It's one of my favourite fish.
@eileencarroll6418
4 жыл бұрын
Yes. 🐟 🐟 🐟 🐟 Wild-caught mackerel is AFFORDABLE in cans like sardines. Easy peasy on top of salad with other goodies like cucumber and grape tomatoes, olive oil, fresh lemon juice and Himalayan pink salt. Great shelf life when we are trying to reduce grocery trips. 🐟 🐟 🐟 🐟
@c.g.ku.9479
3 жыл бұрын
Can't imagine living without mackerel! 👍
@arleneheer2883
3 жыл бұрын
It’s a bit pricey fresh, but grilled is better than any other food!
@MelB868
3 жыл бұрын
I don’t
@wzq5r8
2 жыл бұрын
My wife is Polish. Most Polish still eat mackerel. I won't touch it with a ten foot pole.
This is great! Thank you for this video!
Thank you for all you do🤗
It’s amazing how a deep voice doubles my conviction that whatever is being said must be true...
@pedrolopes3542
3 жыл бұрын
you wanna have his babies.
@mangos2888
3 жыл бұрын
That’s unfortunate. There are plenty of intelligent people with a higher voice
@Batman2StaticShock
3 жыл бұрын
Chandelier C still interesting information
@kyuuki_kitsune
3 жыл бұрын
Sounds sexist, but okay.
@Allenmassageguy
2 жыл бұрын
He is so sexy
This is vital information for the present - everyone should be watching this and taking a deeper look at the research. It may just save your life. These two vitamins are essential for the immune system to deal with viruses and other pathogens. Good presentation.
@esecallum
4 жыл бұрын
Of the 212 (100.0%) cases of Covid-2019, 49 (23.1%) were identified mild, 59 (27.8%) were ordinary, 56 (26.4%) were severe, and 48 (22.6%) were critical (Table 1). Mean serum (OH)D level was 23.8 ng/ml. Serum (OH)D level of cases with mild outcome was 31.2 ng/ml, 27.4 ng/ml for ordinary, 21.2 ng/ml for severe, and 17.1 ng/ml for critical. Serum (OH)D levels were statistically significant among clinical outcomes (p
@GA-1st
4 жыл бұрын
Inasmuch as the COVID-19 studies are observational, the correlation must be placed in its proper perspective. That said, since Vitamin D3 supplementation taken at moderate daily doses (
@kimberleeadams7731
4 жыл бұрын
@Joe Duke What's your opinion on glutamine in the NAG form? (n-acetyl-glutamine)
@vgernyc
4 жыл бұрын
I would say VItamin D3 and K2 (K2 moves blood Calcium into the bones), Zinc + Copper + Manganese (Zinc pushes out Copper if taken alone. All work in tandem with each other for immune function and especially oxidative stress), Glutathione, Selenium (inhibits virus mutation) and Omega 3
@tomaskormark1747
4 жыл бұрын
A chinese study says also selenium. Im eating brazil nuts.
Thank for sharing this video. It’s important for me.