CJC 1295 Ipamorelin Benefits, Side Effects, and Cost: The Complete Patient Guide Perfect B 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 PDF] Ipamorelin, the first selective growth hormone secretagogue. Semantic Scholar Difference Between GHRP 2 and GHRP 6 Peptides Comparison