Ipamorelin 5mg Peptide Analytical Grade Lyophilized powder Tide Labs Buy Premium Ipamorelin 5mg for growth hormone regulation Ipamorelin Natural Growth Hormone Support & Recovery Enhancement Ipamorelin Wikipedia 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 Sermorelin vs. Other Peptides: What Is the Difference?