Vitamin D is essential for immunity, bones, and overall health but overdoing supplements can quietly lead to dangerous and even life-threatening complications.

Getting enough of the "sunshine vitamin" can be difficult in cold months.

Plus, experts explain what the findings could mean for you.

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

Researchers have found a potential link between vitamin D deficiency and a higher rate of hospitalization for respiratory ...

The Seeking Health Vitamin D3 + K2 daily supplement helps me out during winter's sunshine shortage. It's $25 on Amazon, but ...

An initiative at Oregon Health and Science University and OHSU Health is associated with a 25% reduction in the number of ...

A Verywell Health editor shares her experience with vitamin D deficiency and the impact that vitamin D supplements had on her ...

Vitamin D is a daily supplement for many people, especially during the winter months. Health authorities are now warning that excessively high doses can be harmful.

Sardines are among the best sources of vitamin D, but other options also contain good amounts of the nutrient, either ...

The risk for respiratory tract infection hospitalization was significantly heightened among U.K. adults with severe vitamin D deficiency vs. sufficient vitamin D, according to results published in The ...

When your body lacks vitamin D, it can disrupt several important functions, especially the bones, muscles and immune system.