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Ipamorelin: The Selective Growth Hormone Secretagogue — Research Overview

Ipamorelin is a synthetic pentapeptide belonging to the Growth Hormone Releasing Peptide (GHRP) class — compounds that stimulate HGH secretion through a receptor pathway distinct from GHRH. What distinguishes Ipamorelin within this class is its selectivity profile: it stimulates HGH release with minimal effect on other pituitary hormones like cortisol and prolactin that earlier GHRPs co-stimulated. This selectivity has made it a valuable research tool for studying selective GH axis activation.

CJC-1295: Research Profile of a GHRH Analogue Peptide

CJC-1295 is a synthetic analogue of growth hormone-releasing hormone (GHRH) — the hypothalamic peptide that stimulates HGH secretion from the pituitary. Unlike compounds that directly provide exogenous HGH, CJC-1295 works upstream, stimulating the pituitary’s own HGH production. This distinction has significant implications for the physiological pattern of HGH release and has made CJC-1295 a notable tool in growth hormone axis research.

GHRH vs GHRP

GHRH vs GHRP: Understanding Growth Hormone Secretagogue Research

In HGH research, two distinct classes of compounds are used to stimulate growth hormone secretion: GHRH analogues (Growth Hormone-Releasing Hormone analogues) and GHRPs (Growth Hormone-Releasing Peptides). These are fundamentally different molecules acting through completely different receptors, and understanding their distinction is essential for interpreting research in this field.