How harmful is whey protein powder? Let someone who really knows tell you.

When protein is excessive, urinary calcium excretion increases, thereby increasing the risk of kidney stones. Fitness people who take a large amount of protein powder, egg white and other high-protein health products or foods after muscle training also have similar risks.

According to reports, excessive protein intake is harmful to the human body. There are many decomposition products of protein in the human body, among which ammonia, keto acids, and urea can have side effects on the human body. They not only increase the burden on the liver, but also easily cause indigestion. They can affect liver and kidney function in the long term, causing weight loss and low immune function.

American scientists issued a statement stating that eating too much protein will increase the risk of cancer, such as rectal cancer, pancreatic cancer, kidney cancer and breast cancer. Eating too much animal protein such as eggs, milk and meat can also induce heart disease. Patients with gout and liver and kidney failure must limit protein intake.

Extended information:

Protein powder does not require additional supplementation

The "Reference Intake of Dietary Nutrients for Chinese Residents" recommends the daily protein intake per adult It is 65 to 90 grams, or 10 to 12 of the total energy to meet metabolic needs. In addition, protein intake varies depending on a person's age, weight and labor intensity.

“Protein is the most important nutrient for the human body. It is not only the main component of the human body, but also can be converted into sugar and fat under certain conditions and provide energy.” Wang Xingguo said, “Protein is the best food. The sources are fish, meat, eggs, milk, soybeans and nuts, etc. ”

“The protein in food has a large molecular weight and needs to be digested into small molecules of amino acids in the small intestine before it can be digested. It is absorbed into the blood and absorbed and utilized by the human body," Wang Xingguo explained, "So all proteins that enter the gastrointestinal tract, whether it is protein in meat, eggs, milk, or protein powder (including soy protein powder and whey protein powder), collagen, So-called health supplement proteins such as immune proteins (bovine colostrum) and sea cucumbers will be digested into small molecules of amino acids. Once digested into amino acids, the protein will lose all its original activity and effects and become fully functional. "Dead matter"

Therefore, as long as people are healthy, eat normally, eat normally, and are not picky about food, they can get enough protein from natural foods and consume as much as possible. Real food, no extra protein powder required.

In addition, experts say that protein powder drinks usually contain large amounts of synthetic vitamins and minerals, as well as substances such as non-binders to help the body digest these "fake foods."

Some experts suggest that people be sure to check the instructions on the back of protein powder drinks. It is important to understand the ingredients of the drink, not just the fat and sugar content. Synthetic colors, flavors and additives are also increasingly found in protein powders.

Reference material: Dangers of protein powder-People's Daily Online