1, involved in the composition and metabolism of organisms and genetic information.
Protein is closely related to life activities. He participates in the composition and metabolism of organisms and genetic information, and provides heat for organisms.
2. It can be digested, absorbed and utilized by human body in different degrees.
There are many kinds in protein. Different foods contain different kinds of protein, and the degree of digestion and absorption is different. In these kinds of protein, the types and contents of essential amino acids are the main factors that determine their nutritional value. The corresponding amino acid score is a common index to evaluate the nutritional value of protein.
3. Healthy people don't need to eat protein powder.
An adult should consume 65 ~ 90g of protein every day, which is 10% ~ 12% of the total energy. Different age groups have different needs for protein, such as teenagers, pregnant women and lactating women. Relatively speaking, the demand in protein is relatively large.