CJC 1295 & Ipamorelin Therapy in Austin BEAUX MedSpa The most common GH releasing peptides: , Ipamorelin A ghrelin receptor agonist that triggers short pulses of growth hormone release from the pituitary with minimal effects on cortisol, prolactin, or Prolactin Releasing Hormone an overview ScienceDirect Topics 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