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 Ipamorelin for Sale HGH Peptide Research Study Peptides Ipamorelin Vs Sermorelin: Decoding The Differences In Peptide Therapies CJC 1295 & Ipamorelin Guide: Benefits, Dosage, & Side Effects Ipamorelin acetate pamorelin is a pentapeptide that selectively triggers the body's own pulsatile release of growth hormone. Ipamorelin is a five amino acid peptide that acts as a selective ghrelin and growth hormone secretagogue receptor agonist.