Amino acids can improve the circulation of cerebrovascular, regulate the brain nerve, so it will play a role in calming sleep to a certain extent. Amino acids can also regulate blood pressure, maintain the body's normal metabolic needs, but also can provide energy for the body.Amino acids can synthesize immunoglobulins in the human body, thus playing a role in protecting the body and improving human immunity.In addition, amino acids also have the role of promoting growth and development, nourishing the liver and protecting the liver, enhancing memory and so on.