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Ipamorelin is a selective, synthetic pentapeptide growth hormone secretagogue that binds to the ghrelin receptor (GHSR-1a) to regulate pituitary growth hormone (GH) release in non-human research models. As a class II GHSR agonist, it demonstrates strong specificity for GH stimulation with minimal impact on cortisol and prolactin levels, setting it apart from other growth hormone–releasing peptides (GHRPs).
Its ability to influence the somatotropic axis without major endocrine disruption makes Ipamorelin a valuable research compound for exploring growth hormone regulation, metabolic function, and tissue repair pathways in experimental settings.