Vitamin D Checklist Video Series

Discover the importance of vitamin D to your bone health, protecting against cancer, and more. And learn other ways to get it aside from baking in the sun.

Posted on 2/20/2017
Your Video is Loading

How a Vitamin D Deficiency Affects Energy

Dr. Oz explains how exhaustion causes a lack of energy and as a result, using caffeine may cause physical dependence.

Try The 21-Day Weight Loss Breakthrough