First there were zero calorie foods. Now, negative calorie foods: can they help you eat your way thin? We put them to the test. Plus, extreme diets: Dr. Oz investigates the strange new trend of eating cotton balls to lose weight. And, the feeding tube diet you have to see to believe. 

Nutrition

Is This the Key to Ultimate Hydration?

See how electrolytes work in your body.

Is This the Key to Ultimate Hydration?

Whether you're trying to stay hydrated for your workout routine or rehabilitation, recovery and hydration is so important to keeping your body performing like it should. So how do you make sure that happens? You need electrolytes — the minerals that give electrical power to your body. What the video below to see how they get to work inside your body and how you seamlessly add them to your day.

Presented by USANA.