While the FDA doesn't require companies to list the expiration date of vitamins and supplements, they do, in fact, expire.

Taking vitamin D2 may lower vitamin D3 levels, suggesting the two forms aren’t interchangeable. Vitamin D3 appears more ...

Vitamin supplements do not usually increase appetite. A rise in hunger might be linked to other factors, such as health conditions or lifestyle changes.

Vitamins like C, D, E, and B6 may help kill harmful microbes and increase your body's ability to fight off infections.

A study of more than 390,000 adults reveals that taking multivitamins daily does not increase life expectancy.

Everyone knows vitamin D-- it's the nutrient we get from the sun. Vitamin D is important for several bodily functions, the main ones being bone and muscle strength and immune function. Still, about 35 ...

The mirror doesn’t lie, and neither does that persistent pimple that’s been camping out on your chin for what feels like forever. Despite investing in countless cleansers, serums, and treatments, your ...