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Early humanGrowth hormone Growth hormone releasing hexapeptide

GHRP-6

The original GHRP. Powerful appetite stimulation, no efficacy approvals anywhere.

Class
Growth hormone releasing peptide
Molar mass
873 g/mol
Half-life
~15-20 min
Human PK
Published
Regulatory
Not approved
Sport
Prohibited (WADA)

What it is claimed to help

These are the uses attached to GHRP-6 in research, clinical practice, or marketing. Listing a claim is not endorsing it — tap any of them to see every other compound carrying the same claim.

What the human evidence actually is

Grade: Early human

Small, uncontrolled, foreign-registry or single-group human studies only.

Pharmacology only. Human studies confirm GH release and pronounced hunger. Cuban researchers have studied it for cardiac and burn indications, but there are no completed pivotal trials.

How it is supposed to work

Ghrelin receptor agonist; the hunger effect is a direct consequence of that receptor.

Safety

Marked appetite increase, cortisol and prolactin elevation, water retention.

Storage and handling

Lyophilised peptide is generally stored at 2–8 °C, or below −20 °C for long-term storage. Reconstituted in bacteriostatic water (0.9% benzyl alcohol) a solution is typically treated as usable for about 28 days refrigerated, versus roughly 24 hours for plain sterile water, which has no preservative. Add the water slowly down the vial wall and swirl — never shake, which shears peptide chains and foams the solution.

The arithmetic is the dangerous part

Whatever number a protocol or a prescriber gave you, converting it into syringe units is where a misplaced decimal becomes a tenfold error. Our calculators do that conversion and nothing else — they never invent a dose.

Open the calculators

Sources

  1. Bowers CY et al. GHRP-6 human studies
  2. Cuban CIGB research programme publications

Verified against primary sources on 27 August 2026. Regulatory status in this field changes several times a year. See How We Rate Evidence.

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