GHRP-6 vs Ipamorelin

Both are categorized under GH release in our directory—here is how they differ in name, use, and label context.

GHRP-6

GH release

GHRP-6 illustration

An older GH secretagogue known for strong GH release—and notable hunger side effects.

GHRP-6 was among the first synthetic ghrelin mimetics. It reliably raises GH but also increases appetite and cortisol more than ipamorelin. Still used in research and some clinic protocols, but largely superseded for wel…

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Ipamorelin

GH release

Ipamorelin illustration

A selective growth-hormone secretagogue peptide—stimulates GH with less appetite spike than older GHRPs.

Ipamorelin binds ghrelin receptors and triggers pituitary GH release without strongly raising cortisol or prolactin. Clinics pair it with CJC-1295 for anti-aging and body-composition goals. Not FDA-approved for OTC use; …

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Quick comparison

  • GHRP-6: GH release — An older GH secretagogue known for strong GH release—and notable hunger side effects.…
  • Ipamorelin: GH release — A selective growth-hormone secretagogue peptide—stimulates GH with less appetite spike than older GHRPs.…