There's no ideal time to take a vitamin D supplement for maximum absorption, but what you take it with can have an impact.

SAN DIEGO, Dec. 28 (UPI) -- Taking 1,000 units of vitamin D3 a day lowers the risk of colon, breast and ovarian cancer up to 50 percent, University of California researchers say. "For example, breast ...

A new study found that vitamin D supplementation improved a key marker of biological aging—but it's probably too soon to rush to the drugstore. Here's what to know.

Like other vitamins, vitamin D is a substance needed for health but only in tiny amounts. Unlike other vitamins, it doesn't occur naturally in many foods (except seafood, mushrooms, and egg yolks), ...

Vitamin D is closely related to building and maintaining healthy bones. It also helps with anti-inflammation, immune support, muscle function, generating brain cells, and giving your body antioxidants ...

What is vitamin D3? Your body creates this vitamin naturally when exposed to sunlight. In the winter, however, we tend to stay inside more, making it harder to get the proper amount of D3. There are a ...