Peptide Injections AI
Ghk peptide therapy
Tissue Repair & HealingModerate Evidence

Ghk Peptide Therapy

Benefits, Side Effects, Cost & Protocols

Ghk peptide molecular structure diagram from PubChem

GHK (glycyl-L-histidyl-L-lysine) is a naturally occurring tripeptide found in human plasma, saliva, and urine. It has been extensively studied for its roles in wound healing, tissue remodeling, collagen synthesis, and anti-inflammatory activity. Levels decline significantly with age.

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
Tissue Repair & Healing

Who Is Ghk Best For?

Tissue repairWound healingSkin healthLimited human trials or strong preclinical

How Ghk Works

Modulates gene expression related to tissue remodeling, collagen synthesis, and wound healing.

Ghk FAQ

What is GHK?

GHK is a naturally occurring tripeptide that serves as the base form of GHK-Cu. It's researched for wound healing and tissue repair properties.

How does GHK work?

Modulates gene expression related to tissue remodeling, collagen synthesis, and wound healing.

Is GHK legal to buy?

GHK 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 GHK?

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

What category does GHK belong to?

GHK is primarily classified as a tissue repair & healing peptide. Peptides studied for their potential in wound healing, tendon/ligament repair, gut healing, and general tissue regeneration.

What are the research benefits of GHK?

GHK has been studied for: Tissue repair, Wound healing, Skin health. Base form of GHK-Cu copper peptide.

Key Studies

451 total on PubMed0

Generation Healthy Kids: Protocol for a cluster-randomized controlled trial of a multi-component and multi-setting intervention to promote healthy weight and wellbeing in 6-11-year-old children in Denmark

Thomsen LT, Schmidt-Persson J, Damsgaard CT et al

PLoS OneRCT

Multi-component intervention targeting diet, activity, and sleep reduces fat mass in children

Clinical manifestations of IgE hypogammaglobulinemia

Smith JK, Krishnaswamy GH, Dykes R et al

Ann Allergy Asthma Immunol · Ann Allergy Asthma Immunol

IgE-deficient patients have higher prevalence of autoimmune disease and nonallergic airway disease

Significant improvement in crow's feet after treatment with Jet-M and a mixed solution of copper-GHK, oligo-hyaluronic acid, rhodiolar extract, tranexamic acid, and β-glucan (GHR formulation)

Byun SY, Chae JB, Na JI et al

Case Series · J Cosmet Laser Ther

Crow's feet wrinkles greatly decreased with increased collagen and elastic fiber production.

Crow's feet wrinkles greatly decreased with increased collagen and elastic fiber production

Tripeptide-copper complex GHK-Cu (II) transiently improved healing outcome in a rat model of ACL reconstruction

Ghk Compound Data

Ghk peptide chemical structure and molecular formula from PubChem
Molecular Formula
C14H24N6O4
Molecular Weight
340.38 g/mol
IUPAC Name
(2S)-6-amino-2-[[(2S)-2-[(2-aminoacetyl)amino]-3-(1H-imidazol-5-yl)propanoyl]amino]hexanoic acid
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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