【Lack of energy during exercise? Eat some chocolate] Eating some chocolate 15 minutes before exercise can increase the glycogen reserves in the muscles, thereby improving exercise capacity and delaying fatigue; after exercise, the body needs to replenish physical strength when it is necessary to replenish physical strength. An appropriate amount of chocolate can maintain the stability of blood sugar in the body, prevent hypoglycemia, promote physical recovery, supplement the energy consumed by the body during exercise, and delay the appearance of fatigue.