Amino acids are mainly used in pharmaceuticals for the preparation of compound amino acid infusion, also as a therapeutic drug and for the synthesis of polypeptide drugs.
There are 100 dozens of kinds of amino acids used as drugs, including 20 amino acids that make up proteins and more than 100 amino acids that make up a protein.
The compound preparation composed of many kinds of amino acids occupies a very important position in the modern intravenous infusion and the "essential diet" therapy, which plays an active role in maintaining the nutrition of critically ill patients and rescuing the patients, and becomes one of the essential medicine varieties in modern medical treatment. Glutamate, arginine, aspartic acid, cystine, L-dopamine and other amino acids alone to treat some diseases, mainly for the treatment of liver diseases, gastrointestinal diseases, brain disease, cardiovascular disease, respiratory diseases and to improve muscle vitality, pediatric nutrition and detoxification. Furthermore the amino acid derivative appeared hope in the cancer treatment.