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.
FOOD: 13 Skinny Meals Under 300 Calories. Finding tasty meals under 300 calories isn't as hard as it seems. With the right combination of protein, vegetables, complex carbs and healthy fats, 300 calorie meals are delicious and filling.
Smart Workout Snacks to Eat Before (and After!) You Hit the Gym - SELF Smart Workout Snacks to Eat Before (and After!) You Hit the Gym Whether you're doing cardio or lifting weights, choose fueling foods that go the distance.