Selective GHS · no cortisol rise.
Ipamorelin is a pentapeptide GH secretagogue developed by Novo Nordisk. It is the most receptor-selective of the classical GHRPs — reported in the literature to produce robust GH release without the cortisol, prolactin, or ACTH elevations characteristic of older GHRPs. Supplied as research-grade material with 3rd-party HPLC verification and full Certificate of Analysis per lot.
Ipamorelin is a pentapeptide GH secretagogue developed by Novo Nordisk. It is the most receptor-selective of the classical GHRPs — reported in the literature to produce robust GH release without the cortisol, prolactin, or ACTH elevations characteristic of older GHRPs.
Highly selective GHSR1a agonist with minimal off-target activity. The Aib (α-aminoisobutyric acid) at position 1 provides metabolic stability and the reduced aromatic load at positions 2-3 is thought to underlie the cleaner receptor profile compared to GHRP-6.
Widely used in research where GH-specific stimulation without confounding HPA-axis activation is desired. Not FDA-approved. WADA prohibited (S2).
The above summarizes published research literature. This is not medical advice, a protocol, or a recommendation for use. This compound is supplied for laboratory research only.
Ipamorelin is a 5-residue peptide with molecular formula C38H49N9O5 and molecular weight of approximately 711.9 Da.
The full structural data and release specifications are in the Compound Profile section above. Every lot ships with an independently verified Certificate of Analysis.
Each lot is independently verified by a 3rd-party analytical laboratory (STERIS Labs, Alcami Analytical, or equivalent) before release. Release specification is HPLC purity ≥ 99.5% (typical > 99.8%), mass spectrometry identity match within ±0.5 Da, water content < 5.0% Karl Fischer, and endotoxin < 0.25 EU/mL by LAL (USP <85>).
Look up the full COA for your lot at coa-lookup.html.
All compounds ship at ambient temperature in discreet, tamper-evident packaging. Lyophilized peptide powder is stable at room temperature for typical transit windows, which is why research-grade vendors ship this way. Tracked; signature not required.
Store unopened lyophilized product at 2–8°C protected from light. Once reconstituted, most peptides are stable at 2–8°C for approximately 28 days (compound-dependent).
Widely used in research where GH-specific stimulation without confounding HPA-axis activation is desired. Not FDA-approved. WADA prohibited (S2).
All PeptideBros compounds are sold strictly as chemical reference materials for in-vitro laboratory research. They are not for human consumption.
HPLC-verified. Mass-spec confirmed. Ambient-stable transit. The paperwork other vendors hope you never ask for.