Insulin-like growth factor 1 (IGF-1), otherwise called somatomedin C, is a protein that is encoded with the gene IGF1. It is a hormone similar to insulin and plays an essential role in growth.
IGF-1 Deficiency - Causes, Symptoms, Diagnosis, and Treatment
Insulin growth factor-1 is largely produced by the liver. It regulates growth hormones and growth-promoting effects by acting on "target" bodily tissues.