The most common GH releasing peptides: , Ipamorelin A ghrelin receptor agonist that triggers short pulses of growth hormone release from the pituitary with minimal effects on cortisol, prolactin, or GLP 1 and ghrelin inversely regulate insulin secretion and action in pancreatic islets, vagal afferents, and hypothalamus for controlling glycemia and feeding American Journal of Physiology Cell Physiology American Physiological Society Difference Between Sermorelin and Ipamorelin A 50 year journey in the development of treatment for benign prostatic hyperplasia npj Aging PDF] Ipamorelin, the first selective growth hormone secretagogue. Semantic Scholar