The theory behind zero calorie or negative calorie foods is that they contain such a scant amount of calories that the energy you expend eating them cancels out their calories. In essence the bottom line is that you don’t take on any excess calories.
Get rid of your muffin top with this cardio, abs and obliques workout. 10 moves to help you burn fat, strengthen your abs and sculpt your obliques. Combine these muffin top exercises with a clean diet and weekly cardio, and you'll tighten up your tummy.