Having the right information can make portion control and calorie counting a lot more effective. From olive oil to walnuts, you could be eating too much of a Dr. Oz-approved food. The right serving size could be a surprise. 

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.