Superior Peptide Ipamorelin Growth Hormone For Lean Muscle CJC 1295 & Ipamorelin Therapy Growth Hormone Support Ipamorelin a growth hormonereleasing peptide focused on recovery, muscle growth, and overall optimization. Known for its selective stimulation of natural GH release, Ipamorelin is widely used to support: Lean muscle 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. Figure 3 from Ipamorelin, the first selective growth hormone secretagogue. Semantic Scholar Sermorelin or Ipamorelin: Meaning, Differences, Benefits, Side Effects, and Which One May Be Better