Sugar is a carbohydrate, so drinking white sugar water can definitely supplement carbohydrates, which mainly provide energy for the human body. However, after a lot of exercise, water and inorganic salts are most lost in the body due to perspiration, so it is best to drink light salt water (be careful not to be too strong) to replenish water at this time. At this time, drinking white sugar water and concentrated brine will make the cells continue to lose water because the concentration is higher than the liquid concentration in the cells. Therefore, drinking white water and light salt water just after exercise is the best. This is why drinking drinks with too high a concentration does not quench your thirst.