Hormones.gr Hormones.gr Ipamorelin is a pentapeptide. Five amino acids. That's it. But three of those five don't exist in nature. The sequence: Aib His D 2 Nal D Phe Lys, with a C terminal amide. Position 1 is aminoisobutyric acid the ACTH (Adrenocorticotropic Hormone), Cushing's Syndrome Labpedia.net The role of pro opiomelanocortin in the ACTHcortisol dissociation of sepsis Critical Care Springer Nature Link PDF] Ipamorelin, the first selective growth hormone secretagogue. Semantic Scholar