Ipamorelin
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Ipamorelin | Peptide Complex
Growth Hormone
Ipamorelin is a selective fifth-generation growth hormone secretagogue (GHS) and ghrelin receptor agonist consisting of a pentapeptide sequence (Aib-His-D-2-Nal-D-Phe-Lys-NH2). It stimulates pulsatile growth hormone release from the anterior pituitary with high selectivity, notably without significantly increasing cortisol, prolactin, or ACTH levels — a key differentiator from earlier generation secretagogues. Its clean stimulation profile and favorable safety data in preclinical and clinical studies have made it one of the most extensively researched GHS peptides available.
Selective GH Stimulation — Ipamorelin induces strong, pulsatile GH release via ghrelin receptor activation with high receptor selectivity, avoiding the cortisol and prolactin elevation seen with GHRP-2 and GHRP-6 in research models.
IGF-1 Upregulation — By stimulating GH release, Ipamorelin indirectly elevates IGF-1 levels, supporting downstream anabolic, tissue repair, and metabolic signaling in research subjects.
Body Composition Research — Studies indicate Ipamorelin promotes lipolysis and lean tissue preservation, making it a subject of strong research interest in fat loss, muscle maintenance, and metabolic optimization protocols.
Bone Density — Preclinical research has demonstrated Ipamorelin may increase bone mineral content and density via GH/IGF-1-mediated osteoblast activity, with applications in osteoporosis research.
Sleep & Recovery — Growth hormone released by Ipamorelin follows natural pulsatile patterns including nocturnal peaks, supporting research into sleep-stage recovery, tissue repair, and GH rhythm restoration in aging models.
