For healthy people, the lack of protein generally does not happen. Milk, eggs, meat, soybeans, wheat and corn contain all kinds of essential amino acids, with sufficient quantity and proper proportion.

Moreover, the psychological enjoyment and sensory stimulation brought by food can not be replaced by protein powder. Excessive intake of protein is not only a waste, but also harmful to human health.

Extended data:

There are many kinds of protein, and protein from different food sources can be digested, absorbed and utilized by the human body in different degrees, that is to say, the nutritional value of different kinds of protein is different.

The main factors that determine the nutritional value of protein are the types and contents of essential amino acids in protein.

Protein is the main source of nitrogen in human body, which can not only provide some consumed energy, but also be used to synthesize new tissues. Protein accounts for about 17% of the body weight in adults, and 3% of protein participates in metabolic renewal every day.

References:

Protein powder-Baidu encyclopedia