Ipamorelin and CJC 1295 are almost always discussed together in research circles, and the reason comes down to receptor pharmacology. The two peptides work through entirely different but complementary mechanisms that produce a 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 Therapeutic Peptides in Aesthetic, Metabolic and Endocrine Conditions: Effects, Safety, Clinical Applications, and Future Perspectives Sermorelin vs CJC 1295 Ipamorelin: Why Modern Medical Clinics Have Moved to the Stack Perfect B