What determines your body to burn fat or sugar is how you create your breathing pattern and how you create breath physically during your work out Number One Keto for more oxygen in your system actives enzymes in the big muscles of the core to burn fat. What area of the body that holds the largest group of muscle is the core area and that same area holds the largest amount of fat. The power of core/breathing for exercise to burn fat engages both the core movement that affects inhalation and exhalation so the whole core is being