GHRP 2 vs GHRP 6 : Which One to Choose? Ipamorelin Acetate: Benefits, Uses, and Dosage Information 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 Ipamorelin is a potent growth hormone releasing peptide that has some potential advantages over some of the others. Although peptides seem to be doled out like aspirin, keep in mind that these are GHRH vs GHRP Growth Hormone Research Differences PRG Effect of high doses of GHRH and or GHRP 2 treatments for 48 h on GH Download Scientific Diagram