Why vitamin D advice fails people with darker skin tones - melanin-rich skin has evolved different vitamin D metabolism ...

Researchers found that taking this vitamin every day may slow cellular aging by as much as three years. Here's everything you ...

There is evidence to suggest that combined low vitamin D and K levels is associated with increased risk of adverse c ...

Vitamin D supplements may help prevent the loss of telomeres, DNA sequences that shrink with aging, a large study shows. But ...

Vitamin D also helps blood vessels work better. It may help them stay flexible and relaxed. When blood vessels are relaxed, ...

There is evidence that suggests a connection between vitamin D blood levels and cardiovascular disease, the atherosclerotic variety in particular. Researchers from Germany took a closer look at ...

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

Some nutrients work better together—pairing them boosts how well your body absorbs them. Examples of great pairings include ...

Historically, 400 IU (10 ug) of vitamin D was recommended for better health because it closely approximated the amount of vitamin D in a teaspoonful of cod liver oil. However, 800 to 1,000 IU is ...

A new study finds that safe levels of vitamin D supplementation can promote longevity by reducing a certain type of cellular ...

In the largest study of its kind, researchers tested the vitamin D status of more than 70,000 people as babies.