HGH is a member of the somatotropin/prolactin family of hormones which play an important role in growth control. HGH can promote bone and cartilage growth as well as increase protein synthesis through liver somatomedin and tissue polypeptide growth factor, correct the post-traumatic state of negative nitrogen and hypoproteinemia induced by severe infection and cirrhosis; stimulate immunoglobulin synthesis, stimulate the proliferation of lymphoid tissue, macrophages and lymphocyte, and accelerate wound healing; promote myocardial protein synthesis, increase myocardial contractility and reduce myocardial oxygen consumption; regulating fat metabolism, reducing serum cholesterol, low - density lipoprotein level. MW: 22 kDa, monomer, non-glycosy