Generally, for normal people, if they do not have a partial diet, they can meet their daily protein requirements by eating daily, so doctors do not recommend drinking protein powder to supplement protein. Moreover, protein powder is a kind of nutritional supplement for special people, if the dietary intake is insufficient or the body needs more, recovering from wasting diseases, and hypoproteinemia caused by various reasons, etc., protein powder can be used to consume sufficient amount of high quality protein to meet the body’s needs. In the absence of the need to drink protein powder requirements, long-term excess blindly take protein powder, may also cause the following harm to the human body: 1, affect the liver and kidney function: protein powder needs to be decomposed by the liver, metabolites are excreted by the kidneys, so if long-term overdose will cause increased liver and kidney load, affecting liver and kidney function, especially the existence of liver and kidney disease patients, is not recommended; 2, allergic reactions. Some people may have protein allergies, can not eat protein powder; 3, induced gout: for people suffering from gout or the risk of gout, the intake of excessive protein powder may be due to the presence of purines rich in induced gout, is not recommended; 4, fat accumulation: excessive supplementation of protein powder, will cause a large amount of excess protein into fat, causing fat accumulation, resulting in human obesity 5, abdominal pain, diarrhea: if long-term overdose of protein powder, will cause the body’s gastrointestinal activity, the phenomenon of dependence on protein powder to provide energy, resulting in a weakened gastrointestinal function, which causes abdominal pain, diarrhea, especially for infants and young children; 6, induced osteoporosis: long-term oversupplementation of protein may cause an increase in calcium excretion, inducing osteoporosis, especially in postmenopausal women; 7, other: long-term overdose intake Protein powder may also reduce the body’s resistance and increase the chances of diseases, such as cardiovascular disease and cancer. Therefore, if you need to take protein powder, it is recommended to take it according to medical advice, and it is best to buy it in regular pharmacies or hospitals.