Quality Nutra Keto In the first hour of exercise, 45% of fat is used since the first thirty minutes of exercise are anaerobic until the cardiovascular system allows a greater supply of blood to the legs. In the second hour 65% of the calories come from the fats since it is supposed to end up depleting the liver reserves. It will be in the third hour when 95% of calories come from fats. Quality Nutra Keto Reviews – SHOCKING FACTORS BEHIND IT? | Coach With Sophie