Calculate exact reconstitution volumes, insulin units, and doses per vial for any peptide.
GHRP-6 (Growth Hormone Releasing Peptide-6) is a synthetic hexapeptide that activates the ghrelin receptor (GHS-R1a) to stimulate pulsatile growth hormone (GH) release from the anterior pituitary. It is one of the "first-generation" GHRPs, widely discussed in research alongside GHRP-2 and newer analogs such as ipamorelin. This page explains how reconstitution math applies to lyophilized GHRP-6 and links to related calculators on the GH axis.
Disclaimer: Educational information only. Not medical advice. Peptides discussed here are research compounds; regulatory status varies by jurisdiction. BergdorfBio does not encourage off-label human use outside appropriate legal and clinical frameworks.
Like other GHRPs, GHRP-6 acts as a ghrelin mimetic at GHS-R1a. Compared with ipamorelin, GHRP-6 is less selective: research literature often notes stronger appetite stimulation (via central ghrelin pathways) and a broader neuroendocrine profile than highly selective pentapeptides. Versus GHRP-2, GHRP-6 is frequently described as the more potent appetite driver of the two, while both can elevate GH and may affect prolactin and cortisol differently than ipamorelin at comparable research doses. Exact numbers depend on model, dose, and route — treat any protocol table as illustrative, not prescriptive.
The calculator only needs the mass of peptide in the vial (mg), the bacteriostatic water volume (ml), and your target dose per injection (mg). The result panel shows concentration as mg/ml (same units as the on-screen label); multiply by 1,000 if you prefer to think in mcg/ml (e.g. 0.5 mg/ml = 500 mcg/ml). It also gives milliliters to draw and the corresponding U-100 insulin syringe scale. The same relationship holds for any lyophilized peptide: concentration = total mg ÷ BAC volume; volume per dose = target dose ÷ concentration.
Minimize foam and shear when reconstituting: aim the diluent toward the glass wall, not onto the cake directly. Rotate gently; do not shake. Label the vial with date and reconstitution volume.
Research discussions often combine a GHRH analog (e.g. CJC-1295 (no DAC)) with a GHRP to synchronize GH pulses. For comparisons within the GHRP class, see also Hexarelin and the dedicated GHRP-2 calculator.
Peptide calculator hub · Ipamorelin · GHRP-2 · Hexarelin · CJC-1295 (no DAC)
Research information only; not medical advice.