Supplementing a proper amount of chocolate 0/5 minutes before exercise is not only helpful for energy supply during exercise, but also helpful for physical recovery after exercise. The human body consumes a lot of glycogen during the whole exercise process. Eating chocolate before exercise can increase glycogen storage in muscles, thus improving exercise ability and delaying fatigue. After exercise, you should restore your physical strength. At this time, the human body also needs to supplement sugar very much. A proper amount of chocolate can keep the blood sugar in the body stable, prevent hypoglycemia, promote the recovery of the body, supplement the energy consumed by the human body during exercise and delay the appearance of fatigue.