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GHRP-2 Acetate
What it is
GHRP-2 is the hexapeptide D-Ala-D-2-Nal-Ala-Trp-D-Phe-Lys-NH2. It was made by swapping parts of GHRP-6 for heavier, longer-lasting amino acids, which made it more potent. It binds the ghrelin receptor GHS-R1a in the pituitary and hypothalamus. Next to ipamorelin it is stronger on growth hormone but also nudges cortisol, prolactin and appetite.
Sources
Read the original sources
- A simple diagnostic test using GH-releasing peptide-2 in adult GH deficiency (Japan) (Abstract · checked 2026-10-13)
- Synthetic Growth Hormone-Releasing Peptides (GHRPs): A Historical Appraisal of the Evidences Supporting Their Cytoprotective Effects (Abstract · checked 2026-10-13)