Ipamorelin Research Peptide 5mg Growth Hormone Secretagogue Peptide Central UK Optimization of the Potency and Pharmacokinetic Properties of a Macrocyclic Ghrelin Receptor Agonist (Part I): Development of Ulimorelin (TZP 101) from Hit to Clinic Journal of Medicinal Chemistry 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 LEAP2 Is an Endogenous Antagonist of the Ghrelin Receptor: Cell Metabolism Ipamorelin, Peptide IV Therapy, Men's Fitness, Women's Fitness, Health, Healing, Cell Regeneration