Vitamin D

Most healthy adults do not need to take vitamin D supplements. Extra vitamin D does not improve health in those without bone disease. Get your vitamin D the old fashioned way - A. Marc Gillinov MD

Vitamin D

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The Vitamin-D controversy…

As anyone who has read my regular posts online, you have learned that I am one of few wellness guys who isn’t ga-ga over Vitamin-D. It’s not the 1st time that I’ve cut against the grain in my career, but I want to offer an explanation that will hopefully explain my counter-cultural rationale…

In my humble opinion, Vit-D is the most misunderstood, but over-recommended supplement on the Planet. What is worth noting is that it is, in fact, a Hormone — not a Vitamin, and it is also the FIRST hormone to exist on Planet Earth. Hmmmm. So it’s been around for hundreds of millions of years, we as a species have co-existed with this Hormone for at least 6 million years, and NOW, all of a sudden…

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 The Vitamin-D controversy…

In my humble opinion, Vit-D is the most misunderstood, but over-recommended supplement on the Planet. What is worth noting is that it is, in fact, a Hormone — not a Vitamin, and it is also the FIRST hormone to exist on Planet Earth. Hmmmm.

5 Important Things You Probably Didn't Know About Vitamin D

When it comes to getting the nutrients and minerals our bodies need, vitamin D should not be overlooked. You might know that this fat-soluble nutrient helps keep your bones strong, but it does so much more. Some of its benefits may even surprise you.

5 Things You Should Know About Vitamin D Deficiency

Imagine there were a nutrient that could protect your bones, brain and heart, and maybe even help you live longer. It's 100 percent free, and all you have to do to get it is go outside. Seems like something everyone would have plenty of, right? Well, that nutrient exists -- it's vitamin D, which is created by our cells when our skin is exposed to sunlight.

The VitaminD Society

The Vitamin D Society is a Canadian non-profit group organized to: •Increase awareness of the many health conditions strongly linked to vitamin D deficiency. •Encourage all Canadians to be proactive in protecting their health and have their vitamin D blood levels tested annually. •Fund valuable vitamin D research.

Vitamin D Council

Information on the latest vitamin D news and research. Find out more information on deficiency, supplementation, sun exposure, and how vitamin D relates to your health.

GrassrootsHealth

GrassrootsHealth focuses on vitamin D education and raising awareness about high rates of deficiency by, among other things, hosting public forums across the US and Canada. Testing of vitamin D levels is available through participation in their D*action study - 4BoneHealth

Linus Pauling Institute

Vitamin D can be synthesized in the skin upon exposure to sunlight and is then metabolized in the liver and kidney to the metabolically active form called 1,25-dihydroxyvitamin D. Through binding to the vitamin D receptor (VDR), 1,25-dihydroxyvitamin D can regulate the expression of hundreds of genes involved in skeletal and other biological functions

MedicineNet

Insufficient Evidence to Rate Effectiveness for... Cardiovascular disease, high cholesterol, a blood cell disease called myelodysplastic syndrome, a muscle disease called proximal myopathy, colorectal cancer, warts, gum disease, bronchitis, asthma, breathing disorders, diabetes, metabolic syndrome, premenstrual syndrome (PMS), and other conditions.

MedlinePlus

You can get vitamin D in three ways: through your skin, from your diet, and from supplements. Your body forms vitamin D naturally after exposure to sunlight. However, too much sun exposure can lead to skin aging and skin cancer. So many people try to get their vitamin D from other sources.

NHS

Your body doesn't make too much vitamin D from sun exposure, but always remember to cover up or protect your skin if you are out in the sun for long periods. Taking too many vitamin D supplements over a long period of time can cause more calcium to be absorbed than can be excreted.

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