Protein powder, as a health supplement, can be taken in moderation to replenish the body’s protein needs, and does not have the efficacy and effectiveness of drugs. Protein is the main source of nitrogen in the human body, which not only provides part of the energy consumed, but also can be used to synthesize new tissues and maintain the renewal of tissue protein. Regular intake of protein powder is useful for repairing body tissues and regulating nutrition. If too much protein is consumed, it will increase the burden on the liver and kidneys and have a negative effect on the human body. Therefore, more protein is never better. The maximum protein intake of healthy adults is 1.2 grams per kilogram of body weight per day, if more than this amount, it is possible to damage human health. Protein is an essential substance for the human body, but do not take it blindly, too much protein intake in the human body will have a certain impact on health.