GHRP-6

Growth Hormone Releasing Peptide-6

Growth HormoneNot ApprovedAnimalResearchSubQ

Popular for:Growth hormone release, appetite stimulation, gut motility

0

Registered Trials

43

Trial Publications

632

PubMed References

Animal

Evidence Level

Overview

GHRP-6 (Growth Hormone Releasing Peptide-6) is the original synthetic growth hormone releasing peptide, a hexapeptide first described in the 1980s. The short version: people usually care about it for growth hormone release, appetite stimulation, gut motility, but the strength of the evidence depends heavily on indication and study type.

GHRP-6 (Growth Hormone Releasing Peptide-6) is the original synthetic growth hormone releasing peptide, a hexapeptide first described in the 1980s. It strongly stimulates GH release through the ghrelin receptor and is known for producing significant appetite stimulation within 20-30 minutes of administration.

GHRP-6 has been extensively studied in clinical research and is one of the most well-characterized GHRPs in the literature. Its strong appetite-stimulating effects make it popular in research involving caloric intake and weight gain.

Research Snapshot

What the evidence says

Animal

GHRP-6 currently shows 0 registered trials from ClinicalTrials.gov, 43 PubMed trial publications (20 RCT-tagged), and 632 PubMed references matching the stored source query. Treat PubMed references as literature surface area, not a count of clinical trials.

Known vs uncertain

Known signals

  • 0 registered trials are tracked from ClinicalTrials.gov intervention records.
  • 43 PubMed clinical-trial publications are indexed.
  • 20 PubMed randomized controlled trial publications are indexed.
  • 632 PubMed references are tracked separately from trial counts and can include animal, in-vitro, review, mechanism, or clinical records.

Open questions

  • Evidence strength may vary by indication, route, formulation, and population.
  • Public anecdotes can highlight interest or concern but do not establish clinical efficacy.
  • Regulatory status and compounding access can change independently from the research literature.

Mechanism of Action

GHRP-6 binds to the growth hormone secretagogue receptor (GHS-R1a) in the pituitary and hypothalamus, triggering GH release through both direct pituitary stimulation and suppression of somatostatin.

Key Research Benefits

Strong, well-characterized GH release
Significant appetite stimulation (useful for bulking research)
Extensively studied in clinical literature
Synergistic with GHRH analogs
Researched for gastric motility and gut health effects

Clinical Evidence Summary

Research Pipeline

Preclinical
Animal
Phase I
Phase II
Phase III
Approved

0

Registered Trials

43

Trial Publications

20

RCT Publications

632

PubMed References

ClinicalTrials.govPubMed ESearchExact-name queryChecked May 3, 2026

Registered trials are ClinicalTrials.gov intervention records. Trial publications are PubMed records tagged as clinical trials or randomized controlled trials. PubMed references are broader source-query matches and can include animal studies, in-vitro work, reviews, mechanism papers, and trial publications.

0

Registered trials

43

Trial publications

20

RCT publications

632

PubMed references

26

Reviews

0

Meta-analyses

Registered trials source

Jun 1, 2026

GHRP-6

Uses the exact compound name as a ClinicalTrials.gov intervention query.

View source

Publication counts source

May 3, 2026

GHRP-6

Uses the exact display name.

View source

Not FDA-approved. One of the most studied GHRPs in clinical literature. Research compound.

Key PubMed References

632 PubMed references · showing top 25 by relevance

View all on PubMed

Growth hormone releasing peptide-6 (GHRP-6) ameliorates acute lung injury and its subsequent evolvement to interstitial fibrosis.

Animal Study

Wang L, Berlanga-Acosta J, Yu H, et al. · International immunopharmacology · 2026

PMID: 41534456

Growth hormone-releasing peptide 6 (GHRP-6) hydrogel for acute kidney injury therapy via metabolic regulation.

In Vitro

Zhao X, Pan K, Li R, et al. · Journal of nanobiotechnology · 2025

PMID: 41327290

Growth hormone releasing peptide-6 (GHRP-6) prevents doxorubicin-induced myocardial and extra-myocardial damages by activating prosurvival mechanisms.

Human Study

Berlanga-Acosta J, Cibrian D, Valiente-Mustelier J, et al. · Frontiers in pharmacology · 2024

PMID: 38873418

Ghrelin antagonist D-Lys3-GHRP-6 counteract ghrelin effects in bovine cumulus-oocytes complexes matured in vitro.

In Vitro

Carranza-Martín AC, Nikoloff N, Anchordoquy JP, et al. · Reproduction in domestic animals = Zuchthygiene · 2021

PMID: 34173284

D-Lys-3-GHRP-6 impairs memory consolidation and downregulates the hippocampal serotonin HT1A, HT7 receptors and glutamate GluA1 subunit of AMPA receptors.

Animal Study

Beheshti S, Sami M, Mirzabeh A, et al. · Physiology & behavior · 2020

PMID: 32454141

Anecdotes & Sentiment

Public discussion, not clinical evidence

This section summarizes what people are talking about in public sources. It can be useful for spotting questions, hype cycles, and recurring concerns, but it is separate from the evidence sections above.

No curated public-discussion themes are live for GHRP-6 yet.

Side Effects & Safety

- Intense hunger within 20-30 minutes - Elevated cortisol - Elevated prolactin - Water retention and bloating - Potential blood sugar fluctuations

Intense hunger within 20-30 minutes
Elevated cortisol
Elevated prolactin
Water retention and bloating
Potential blood sugar fluctuations

Known Interactions

No curated interaction entry is live for GHRP-6 yet.

Until the interaction table is fully populated, use the interaction checker and related peptides below to explore adjacent compounds and likely research pairings.

Frequently Asked Questions

Research Disclaimer

This page is for research and educational purposes only. The information presented is based on published scientific literature and does not constitute medical advice, diagnosis, or treatment recommendations. Regulatory status can vary by compound, formulation, indication, and jurisdiction. Check official labeling, registry records, and qualified professional guidance before making any health-related decision. The studies referenced are linked to their original PubMed sources for verification.