Zinc is one of the trace elements necessary to the human body. It can produce an important effect on the growth of the human body, the intelligence, immunity, and the functions of internal secretion and metabolism. Be...Zinc is one of the trace elements necessary to the human body. It can produce an important effect on the growth of the human body, the intelligence, immunity, and the functions of internal secretion and metabolism. Bezoar acid is one of the amino acid necessary to the body, especially to babies. It plays an important part in helping the growth of the brains, the work of the nervous system, and the functions of the eyes.展开更多
文摘Zinc is one of the trace elements necessary to the human body. It can produce an important effect on the growth of the human body, the intelligence, immunity, and the functions of internal secretion and metabolism. Bezoar acid is one of the amino acid necessary to the body, especially to babies. It plays an important part in helping the growth of the brains, the work of the nervous system, and the functions of the eyes.