According to the National Institutes of Health (NIH), the recommended intake of vitamin D for healthy adults is 600 to 800 IU ...

Our bodies create vitamin D when ultraviolet rays in sunlight convert a protein called 7-dehydrocholesterol in the skin into ...

Experts are sounding the alarm after a man recently died from a vitamin D overdose. David Mitchener, 89, passed away in suburban London, England, after taking high levels of the supplement for nine ...

Some worry it robs you of the benefits of sunshine, like vitamin D. We asked experts to weigh in. By Caroline Hopkins Sunshine seems to make a strong case against daily sunscreen. When we step outside ...