Note: The U.S. Food and Drug Administration (FDA) does not approve supplements for safety or effectiveness. Talk to a healthcare professional about whether a supplement is the right fit for your ...

Vitamin C is one of the safest and most effective nutrients. Though it may not be the cure for the common cold, the benefits of vitamin C may include protection against immune system deficiencies ...

It’s the most popular supplement on the market. But why do we need vitamin D—and why is the advice on how to get it so contradictory? Sunlight is all our bodies need to make vitamin D—a ...