Ipamorelin for Sale HGH Peptide Research Study Peptides 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. Sermorelin vs Ipamorelin: Which peptide is right for you? NiceRx Synthesis and biological evaluation of an orally active ghrelin agonist that stimulates food consumption and adiposity in rats ScienceDirect