Vitamin D3 (cholecalciferol) is a form of vitamin D naturally found in some foods and available as a supplement. Your body also creates vitamin D when your skin is exposed to natural sunlight. Vitamin ...

Some supplements and medications come with specific instructions on when and how to take them, while others you simply need to remember to take every day. But which category does vitamin D fall into?

When the days shorten and the sun sinks low in the sky, that familiar winter slump sets in. There's a fundamental reason for this seasonal fatigue: low levels of vitamin D—the "sunshine vitamin." ...

Vitamin D has long been known as an essential nutrient for strong bones and teeth, but in recent years it has gained a new reputation as a “longevity” vitamin because of its wide-reaching role in ...

When it comes to building strong, healthy bones, the emphasis on strength training has never been greater. Staying active is essential for bone health, but it’s important not to neglect the basics: ...

Vitamin D deficiency is the most common micronutrient deficiency in the United States. According to the Linus Pauling Institute Micronutrient Information Center at Oregon State University, a whopping ...

Add Yahoo as a preferred source to see more of our stories on Google. Nearly a quarter of Americans are estimated to have a vitamin D deficiency. Why is that? A 2022 study of National Health and ...

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 the ...

Vitamin D is a health superstar, supporting your body from head to toe. Research suggests that it plays a key role in building strong bones and muscles, keeping your immune system and your ...