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GHRP-2 peptide therapy
Growth Hormone SecretionModerate Evidence

GHRP-2 Peptide Therapy

Benefits, Side Effects, Cost & Protocols

GHRP-2 peptide molecular structure diagram from PubChem

GHRP-2 (Growth Hormone Releasing Peptide-2) is a synthetic hexapeptide growth hormone secretagogue that stimulates GH release via the ghrelin receptor. It is one of the most potent GH secretagogues studied, with effects on appetite stimulation and body composition.

ByChris Riley(CFA)&Alex Evans, PharmD, MBA(PharmD, MBA)|Updated

Clinically Reviewed

Reviewed by Alex Evans, PharmD, MBA · Updated May 2026

Evidence-Based

Sourced from FDA, PubMed & ClinicalTrials.gov · View sources

FDA Status
Research Only Not currently approved for human use in the US. Available as a research compound. Not eligible for compounding.
Evidence
Moderate Evidence
Category
Growth Hormone Secretion

How GHRP-2 Works

Ghrelin receptor agonist that stimulates robust GH release. Known for producing strong, consistent GH pulses.

GHRP-2 FAQ

What is GHRP-2?

GHRP-2 (Growth Hormone Releasing Peptide-2) is one of the most potent synthetic secretagogues for stimulating growth hormone release from the pituitary gland.

How does GHRP-2 work?

Ghrelin receptor agonist that stimulates robust GH release. Known for producing strong, consistent GH pulses.

Is GHRP-2 legal to buy?

GHRP-2 is sold as a research chemical for laboratory use only. It is not approved for human use by the FDA. Regulations vary by jurisdiction.

Where can I buy GHRP-2?

GHRP-2 is available as a research compound from verified online vendors. Always verify third-party testing before purchasing.

What category does GHRP-2 belong to?

GHRP-2 is primarily classified as a growth hormone secretion peptide. Peptides that stimulate or support growth hormone release, including GHRH analogs, GHRPs, and direct GH compounds for muscle, recovery, and anti-aging research.

What are the research benefits of GHRP-2?

GHRP-2 has been studied for: Strong GH release, Muscle research, Recovery support. Strong GH pulse; potent secretagogue.

Key Studies

250 total on PubMed155 human trials

The combined administration of GH-releasing peptide-2 (GHRP-2), TRH and GnRH to men with prolonged critical illness evokes superior endocrine and metabolic effects compared to treatment with GHRP-2 alone

Van den Berghe G, Baxter RC, Weekers F et al

Clin Endocrinol (Oxf) · Clin Endocrinol (Oxf)RCT

Combined GHRP-2, TRH, and GnRH treatment reactivated multiple hormone axes and improved metabolic effects in critically ill men better than GHRP-2 alone.

Combined GHRP-2, TRH, and GnRH treatment reactivated multiple hormone axes and improved metabolic effects in critically ill men better than GHRP-2 alone

Synergy of L-arginine and GHRP-2 stimulation of growth hormone in men and women: modulation by exercise

Wideman L, Weltman JY, Patrie JT et al

Am J Physiol Regul Integr Comp PhysiolRCT

Exercise potentiated individual GH-stimulating effects of L-arginine and GHRP-2 while reducing their synergistic interaction, with gender differences observed

Pharmacokinetics and pharmacodynamics of growth hormone-releasing peptide-2: a phase I study in children

Pihoker C, Kearns GL, French D et al

J Clin Endocrinol MetabPhase 1

GHRP-2 produced predictable and significant increases in growth hormone in children

Association between overweight and growth hormone secretion in patients with non-functioning pituitary tumors

PLoS One

GHRP-2 Compound Data

GHRP-2 peptide chemical structure and molecular formula from PubChem
Molecular Formula
C45H55N9O6
Molecular Weight
818.0 g/mol
IUPAC Name
(2S)-6-amino-2-[[(2R)-2-[[(2S)-2-[[(2S)-2-[[(2R)-2-[[(2R)-2-aminopropanoyl]amino]-3-(2-naphthyl)propanoyl]amino]propanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-phenyl-propanoyl]amino]hexanamide
View full compound on PubChem
Medical Disclaimer: The information on this page is for educational purposes only and does not constitute medical advice. Peptide therapies have not been evaluated by the FDA for most listed indications.All prices shown are estimates based on publicly available data and may not reflect current pricing — providers and brands set their own prices and can change them at any time. Always verify pricing directly with the provider before purchasing. Consult a licensed healthcare provider before starting any peptide protocol.

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