GHRP-6
Growth hormone Research only Human trials
Also called Growth hormone releasing peptide 6, SK&F 110679, Hexapeptide-2
A six-amino-acid peptide that activates the ghrelin receptor to release growth hormone. It is the hungriest of the GHRP family — the appetite stimulation is pronounced, which is the main thing separating it from GHRP-2 and ipamorelin.
Why people take it
What studies report
- Reliable growth hormone release in human pharmacology studies
- Strong appetite stimulation through ghrelin receptor activity
- Protective effects on the stomach lining in animal studies
In practice Unapproved use
- Deliberately used by people trying to gain weight, for the hunger
- Generally avoided during fat loss phases for the same reason
Reported real-world use, not evidence and not a recommendation.
Worth knowing: Also raises cortisol and prolactin, and the hunger is strong enough that many find it unworkable. Studied for hormone response, not for outcomes like body composition.
Status: Research compound. Not approved.
- Route
- Subcutaneous injection, from reconstituted lyophilised powder
- Sequence
- His-D-Trp-Ala-Trp-D-Phe-Lys-NH2
- Formula
- C46H56N12O6
- Molecular weight
- 873.0 g/mol
- CAS
- 87616-84-0
- Available as
- 10 mg
Educational information only. Nothing here is medical advice, a dosing protocol, or a recommendation to use any compound. Most entries describe substances not approved for human use. Talk to a licensed clinician before acting on anything you read here. How to read these entries.