Which foods help to put some pep in your step? And which ones will land you smack-dab in the middle of an energy slump? Dr. Oz has the answers. You’ll never guess which healthy high-protein food can give you a serious case of the zzzz’s. 

Dr. Oz goes where he's never gone before. He's letting you eat fast-food and it's not what you expect. Learn which fast food meals you can eat under 500 calories while still enjoying the food you love.