Millions of Americans take vitamin D every day, yet many make a simple mistake that can dramatically reduce its effectiveness ...

Why bother to take a supplement if your body isn't primed to absorb it?

The video examines vitamin D supplements and morning light as mood supports, outlining why the distinction matters for mental ...

A new trial shows outdoor runners avoid winter vitamin D deficiency without supplements, matching those who took a daily pill ...

Share on Pinterest Vitamin D supplements may help boost your cardiometabolic health in several ways, including improved blood pressure and cholesterol FreshSplash/Getty Images A study found that ...

New evidence suggests calcium and vitamin D supplements may do far less to prevent fractures and falls than widely believed.

See how a daily vitamin D habit supports bone health and immune function if you are deficient.

A surprising study suggests vitamin D2 supplements may reduce the body’s levels of vitamin D3 — the more effective form of vitamin D. Researchers found D3 not only boosts vitamin D status more ...

Vitamin D3 and vitamin K2 work together to support bone strength, improve calcium use, and help maintain healthy bone density ...

Vitamin D supplements may reduce your heart attack risk, new research shows. A new study found that the rate of major cardiovascular events was 9% lower in those who took vitamin D supplements ...

Vitamins can become toxic when taken in high doses and people should stick to the recommended dosage, Wendy said. She added: ...