Chemical structure of human growth hormone (hGH, Somatotropin) molecule. HGH is a natural hormone that is used both as a drug and as a doping agent. Clip Artby ibreakstock2/155
Human growth hormone (hGH, Somatotropin) molecule. Natural hormone that is used both as a drug and as a doping agent. Clipartby molekuul1/110
Insulin-like growth factor 2, one of three protein hormones that share structural similarity to insulin. It is sometimes produced in excess in islet cell tumors, causing hypoglycemia. 3d rendering Stock Illustrationby ibreakstock0/0