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GHRP-2

A growth-hormone secretagogue peptide from the GHRP family—stronger GH pulse than ipamorelin, with more appetite stimulation.

Updated July 26, 2026 · By The Peptide Dex — Fitness Editorial

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GHRP-2

Fitness peptides are often sold for “research use”—learn the compound before trusting a label.

Pharmacokinetic snapshot

Reference values from published sources—not prescribing or dosing advice. Cosmetic INCI peptides do not belong here; injectable and prescription contexts only.

Half-life: <30 min
Typical dose range: 100–300 mcg
Common frequency: Often 2–3×/day in stacks (unapproved)

Source: PubMed GHRP-2

Structure (cute edition)

✨ real molecule sketch

This peptide is a short chain of about 4 amino acids—think of it as a tiny protein necklace on your label.

INCI: GHRP-2 · ~4 amino acids in our simplified view

Research & public records

Counts and links from public databases (PubMed, ClinicalTrials.gov, Wikidata, NIH drug nomenclature). Educational only — not medical advice.

Knowledge base: chemical compound — Wikipedia

PubMed: 204 indexed papers (search PubMed)

The emerging landscape of performance-enhancing peptides modulating GH-IGF1 axis: bridging the gap between clinical evidence and patient self-administration. · Frontiers in endocrinology
Possible Involvement of Hypothalamic Dysfunction in Long COVID Patients Characterized by Delayed Response to Gonadotropin-Releasing Hormone. · International journal of molecular sciences
One Case of Sudden Isolated Adrenocorticotropic Hormone (ACTH) Deficiency Diagnosed Based on Repeated Hypoglycemic Attacks. · Cureus
Benchmark for Setting ACTH Cell Dosage in Clinical Regenerative Medicine for Post-Operative Hypopituitarism. · Diseases (Basel, Switzerland)
Growth Hormone-Releasing Peptide 2 May Be Associated With Decreased M1 Macrophage Production and Increased Histologic and Biomechanical Tendon-Bone Healing Properties in a Rat Rotator Cuff Tear Model. · Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association
Assessment of anterior pituitary reserve capacity based on growth hormone response to growth hormone-releasing peptide-2 test in the elderly. · Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society
Pharmacotherapy in Cachexia: A Review of Endocrine Abnormalities and Steroid Pharmacotherapy. · Journal of pain & palliative care pharmacotherapy
Association between overweight and growth hormone secretion in patients with non-functioning pituitary tumors. · PloS one

ChEMBL: KP-1461 · max phase 2.0

What brands say it does

GHRP-2 binds ghrelin receptors to trigger GH release from the pituitary. It is more potent than ipamorelin for GH output but often causes noticeable hunger. Like other GHRPs it is not FDA-approved for athletic or anti-aging use and is banned in sport.