Everyone knows vitamin D-- it's the nutrient we get from the sun. Vitamin D is important for several bodily functions, the main ones being bone and muscle strength and immune function. Still, about 35 ...

Your body needs a wide range of vitamins and nutrients to run efficiently, but there are some that are harder to get from foods than others. Vitamin D is one of them. While some foods do contain ...

Discover the most effective ways to boost your vitamin D levels and prevent vitamin D deficiency, including safe sun exposure ...

Everyday Health independently vets all recommended products. If you purchase a featured product, we may be compensated. Learn why you can trust us. ON THIS PAGE Vitamin D is a fat-soluble vitamin that ...

Vitamin D isn’t just about bone health—its other benefits include supporting your immune system, mood, metabolism, and more. Despite its incredible importance, most people still don’t get enough.

Martin Hewison has received funding from Medical Research Council, Biotechnology and Biological Sciences Research Council, National Institutes of Health (USA), Royal Society, Wellcome Trust, Diabetes ...

A new study casts doubt on the widespread use of high-dose vitamin D supplements, suggesting that the pills do not actually prevent bone fractures in healthy adults without vitamin D deficiencies.

A private nutritionist recommended a regimen that included 150,000 IU of vitamin D per day, which is over 400 times the recommended daily requirement of 400 IU. (Photo: Getty) Yes, you can OD on D. An ...