Shorter days mean less sunshine—but you still need an adequate amount of vitamin D.

Here’s what experts want you to know.

Not all vitamin D supplements are created equal, and new research suggests that one popular form may have an unexpected ...

Low vitamin D levels can cause muscle weakness, cramps and bone pain. According to Yale Medicine, muscle weakness often ...

Winter is coming, which means it’s time to stock up on our vitamin D. But people who use supplements to get sufficient ...

Shorter days can affect vitamin D levels. Here’s how to stay within a healthy range.

Vitamin D deficiency is very common, especially during the winter months with less sunlight. Eating egg yolks and fish can ...

B vitamins help your body turn food into energy, but other nutrients matter too. A pharmacist explains six supplements that ...

Sunlight is not a medicine where 'more is better'. Its benefits and risks depend on time of day, latitude, season, skin ...

As winter approaches, you start seeing stories about vitamin D more often.98% of Japanese people are deficient. If you take ...

Nearly seven in ten tested individuals in India suffer from vitamin D deficiency or suboptimal levels, with adolescents being ...

Although they’re not very close together in the alphabet, and they don’t look much alike, the letters D and K actually have a lot in common — at least when you’re talking about vitamin D and vitamin K ...