Ask sales for the Certificate of Analysis matched to the offered or supplied lot; it records the tests actually completed, applicable specifications, and reported results.
Review the matching batch COA for the analytical scope and results recorded for that lot.
Matching batch COA available.
FDA PCAC reviews 7 peptides for the 503A bulks list (BPC-157, KPV, TB-500, MOTs-C, Emideltide, Semax, Epitalon). Read our compounder's decision tree. Read our briefing →
FDA PCAC reviews 7 peptides for the 503A bulks list in July. Read →
FDA PCAC: 7 peptides under review. Read →
Growth-hormone-releasing peptide-6
Vialdyne buyer fit
This Vialdyne page is intentionally positioned for compounding-pharmacy, clinic, and regulated procurement teams evaluating GHRP-6. It is not the broad research monograph for this SKU; the page emphasizes buyer qualification, release testing, documentation depth, and whether the active fits the destination-market workflow before pricing.
Overview
GHRP-6 is a synthetic hexapeptide GHSR agonist within the GHRP family. What distinguishes it from its siblings (GHRP-2, Ipamorelin, Hexarelin) is a pronounced appetite-stimulating effect that runs alongside the GH-release activity. The appetite signal traces to GHRP-6's binding profile at the GHSR sitting in the hypothalamic arcuate nucleus, native ghrelin is the body's endogenous hunger hormone, and GHSR agonists at higher doses partially recapitulate the appetite-driving activity that ghrelin natively delivers. The published research therefore covers two distinct lanes: GH-release pharmacology and orexigenic applications, making this molecule the right tool when both effects are desired and the wrong tool when either is a confounder. Vialdyne releases GHRP-6 as a lyophilised powder against a ≥99.0% main-peak HPLC specification. SPPS access to the hexapeptide is straightforward, so the standard release packet centres on peak-integration RP-HPLC plus ESI-MS identity. Catalogue strengths are 5 mg and 10 mg, sized to typical bench-scale research workflows. Selection rule: appetite-pharmacology endpoints point to GHRP-6 as the cleanest GHRP-family choice; clean GH-selective work points to Ipamorelin instead, both the appetite and cortisol-axis effects of GHRP-6 become contamination in that context.
Applications & buyer fit
GH-axis peptides ship to two main buyer types: compounding pharmacies dispensing under physician supervision, and research labs studying somatotropic-axis pharmacology. Pharmacies typically want sterile-filled vials with the full release packet (sterility, endotoxin, CCI); labs typically want loose-format lyophilized powder with sequence verification. Blends (the CJC-1295 / Ipamorelin combination is the canonical example) are usually co-lyophilized rather than solution-mixed for potency stability.
Sourced for
Buyer fit
Documentation that ships
Procurement note: For sterile-filled vials, confirm whether sterility, endotoxin, and CCI are included in the agreed release packet. For loose lyophilized powder, request the batch COA and separately scope any sequence-level evidence required by the buyer's written procedure.
Primary buyer fit: academic and contract research laboratories.
Specifications
Certificate of Analysis
Representative COA previews for GHRP-6; request the certificate matched to the offered or supplied lot from sales. These are previews — request the full high-resolution certificate for any lot.
VerifiedRequest full COA →GHRP-6
VD260428-G610083 · 99.22%
VerifiedRequest full COA →GHRP-6
VD260428-G65082 · 99.00%
Regulatory note
Sold as a pharmaceutical-grade active for research and for compounding-pharmacy formulation where local regulations permit (notably 503A / 503B in the United States and analogous regimes elsewhere). Not a finished dosage form. Sterile-filled vials are available with full release documentation; the buyer is responsible for verifying scheduling and dispense requirements in the destination market.
Selected literature
Frequently asked questions
Appetite stimulation is the defining feature. At typical research doses, GHRP-6 produces measurable orexigenic activity that GHRP-2 carries in smaller magnitude and Ipamorelin essentially lacks. The mechanism is binding at the hypothalamic-arcuate-nucleus GHSR, the same receptor through which endogenous ghrelin drives hunger signalling. The trade-off is a less GH-selective pharmacology than Ipamorelin: any cellular or in vivo readout sensitive to appetite-axis effects or cortisol-axis effects will pick up confounding signal from GHRP-6 that Ipamorelin would not contribute. The practical decision: appetite-pharmacology research points to GHRP-6, clean GH-selective work points to Ipamorelin.
For multi-use stocks, reconstitute in bacteriostatic water for injection (BWFI); for single-use preparation, use sterile water for injection (SWFI). The hexapeptide goes into solution within 30-60 seconds with a gentle swirl. Never vortex, the foaming entrains air and accelerates surface-mediated aggregation, which can show up as quiet potency loss the standard release HPLC will not flag. Sub-divide the reconstituted solution into single-use aliquots immediately and hold at -20 C with strict thaw-count discipline; as with the rest of the GHRP family, freeze-thaw cycle count dominates measured-potency loss in routine use, much more than slow temperature drift. Working-stock concentrations of 1-5 mg/mL are typical; for in vivo administration the working concentration is further diluted to the protocol-specified dose volume.