Sermorelin vs. Other Peptides: What Is the Difference? 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 CJC Ipamorelin and Cancer Myths Debunked LIVV Natural 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