After fitness, human blood metabolism is accelerated, glycogen decomposition is accelerated, energy consumption is high, and energy demand is also increasing. At this time, if you supplement high-sugar and high-fat drinks, such as milk drinks and high-sugar sports drinks. It will store the heat consumed by exercise again and make exercise useless. And the phenomenon of excessive recovery will double the energy stored when you don't exercise. Therefore, in order to gain muscle and lose weight, it is recommended to choose high-protein drinks, such as a cup of whey protein powder, a cup of hot milk, a cup of yogurt, or a cup of freshly squeezed fruit and vegetable juice, or rice slurry made of coarse grains. Are all good choices.