Protein powders are nutraceuticals or formulas for special medical purposes made from processed soy protein, whey protein, or a combination of various protein blends. It is mostly used as a supplement for patients with insufficient protein intake, increased protein consumption or hypoproteinemia, such as fitness people, elderly people, post-operative people and weight loss people, etc. It can provide protein for these special people to avoid the lack of some nutrients needed by the body. However, normal people usually do not need to drink protein powder to supplement protein, overdose may increase the burden on the liver and kidneys, etc., and produce adverse effects. A. Benefits: 1, growth of muscle: athletes or fitness crowd, in high-intensity exercise, may cause muscle cells to occur in varying degrees of damage, through supplemental protein powder, supplemental protein consumption, can repair muscle damage, the growth of muscle size and strength also help; 2, supplemental nutrition: some have vegetarian habits, dieting, malnutrition and other people prone to protein deficiency, can Through protein powder timely protein supplementation, to avoid serious consequences due to malnutrition; 3, reduce the burden on the kidneys: diabetes, nephropathy people lead to damage to kidney function, hypoproteinemia, intake of food animal protein will increase the metabolic burden on the kidneys, at this time can be used in moderation protein powder as a substitute; 4, prevention of cardiovascular disease: large amounts of animal food to achieve the need for protein, while at the same time Increased fat intake, can to a certain extent increase the body cholesterol content. And increased cholesterol is the primary factor that induces cardiovascular disease, the use of protein powder instead of animal food protein, can help reduce the intake of cholesterol, which can help prevent cardiovascular disease. Second, the bad: 1, increase the burden on the liver: the metabolism of protein will produce ammonia, increasing the metabolic burden on the liver, especially liver coma, cirrhosis of the liver, a large number of people eating protein powder may induce serious complications such as hepatic encephalopathy; 2, increase the burden on the kidneys: although moderate consumption of protein powder on the kidney benefits, but a large intake will cause the kidney excretion burden, and in serious cases will lead to the body to generate protein urine The kidney disease can be induced or aggravated; 3, digestive dysfunction: especially in infants, to supplement the body’s nutritional intake of excessive protein powder, not only easily cause indigestion, but also may produce nausea, vomiting, diarrhea and other symptoms; 4, gout: soy protein powder is mainly derived from soybean extract, soybeans contain high purine content, a large number of consumption may increase the risk of recurrence of the disease in people who themselves have gout.