Peptide library / Hormones & metabolism / GHRP-6
GHRP-6
The first synthetic growth hormone secretagogue, known for making users very hungry.
Effects studied or claimed
What it is used or promoted for, and where each effect has actually been seen
- Growth hormone releaseSmall human studies
- Appetite stimulationSmall human studies
How it is thought to work
GHRP-6 mimics ghrelin, the hunger hormone, so it triggers growth hormone release and strongly stimulates appetite.
What the evidence shows
Studied in the 1990s as a way to test or restore growth hormone secretion, but never developed into a drug.
Safety and unknowns
Marked hunger, raised cortisol and prolactin, and fluid retention may occur.
Regulatory status
Not approved. Banned in sport.
Regulatory status changes quickly. This entry was last reviewed on 27 October 2026. Confirm current status with the FDA before relying on it.
More in Hormones & metabolism
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GHRP-2
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General information, not medical advice. Do not buy or inject unregulated peptides.