Efficacy of Ipamorelin, a Novel Ghrelin Mimetic, in a Rodent Model of Postoperative Ileus ScienceDirect 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 GHRP 6: A peptide that signals growth and hunger? GHRP 6 is a growth hormone releasing hexapeptide. Unlike synthetic GH, it works by triggering your body's natural secretion. What research explores: Muscle preservation Most people think growth hormone optimization is about using more. It's not. It's about restoring rhythm. CJC 1295 + Ipamorelin work by amplifying your body's natural GH pulses. That means: better sleep