What you need to know about these heart-healthy nutrients.

Here’s how to meet your vitamin D needs during the coldest, grayest days of winter:

Supplements of the sunshine vitamin have become popular because it’s difficult for most people to get enough from food and sun exposure.

Refuel in heroic fashion after your workout with this green smoothie.

And they are very easy to make. Get leaner and healthier at the touch of a button with these four simple smoothie recipes.