Medically reviewed by Alex Yampolsky, PharmD Too much vitamin D can lead to toxicity, also known as vitamin D ...

Experts haven’t agreed on a number that defines a low vitamin D level. For most healthy people, the Office of Dietary Supplements states that a vitamin D serum (blood) level below 20 nanograms per ...

Vitamin D, the sunshine vitamin, is crucial for bones, muscles, mood, and immunity. While essential, excessive intake from ...

The clocks are going back this Sunday and these short days and long nights mean that your body will not be getting enough ...

For vitamin D to work, it needs to be absorbed in the intestine, carried through the bloodstream and converted by the liver ...

The days are shorter, you’re hibernating inside — and there’s a good chance you’re not getting enough vitamin D. About 40% of Americans aren’t. But in case you’re waiting for a sign from your body to ...

For a while vitamin D was looking like a bona fide health elixir. It was recognized a century ago as the cure for rickets, a childhood disease that causes weak and deformed bones. Then, in the early ...

Known as the sunshine vitamin, vitamin D is a fat-soluble vitamin necessary to support bone health, the immune system, and mental health. But there’s a catch: Roughly 50% of the population suffers ...