What is GHK-Cu?
GHK-Cu combines a short peptide with copper. It is discussed in topical skin care and tissue-remodeling research, which should be separated from injection claims.
Biological role or research focus
Copper-peptide research in tissue remodeling.
Topical products, injected preparations, and animal studies answer different questions.
Role reference: Effects of topical copper tripeptide complex on wound healing in an irradiated rat model. ↗
Names you may encounter
GHK Cu · GHKCU · copper peptide
Search terms can include brands, combinations, or historical names. They are not automatic product equivalents.
- Class / identity
- Copper tripeptide complex
- Main research area
- Skin and tissue-remodeling research
- Evidence featured
- Animal / laboratory study
- Source check
- October 4, 2026
Source: Effects of topical copper tripeptide complex on wound healing in an irradiated rat model. ↗
Molecular structure
Mechanism & research rationale
Research examines copper-peptide effects on repair-associated cells and vascular signaling. Those hypotheses must be tested in the relevant tissue, formulation, and clinical problem.
Source: Effects of topical copper tripeptide complex on wound healing in an irradiated rat model. ↗
Research context & status
This profile includes a topical wound experiment with a negative result. Cosmetic appearance, wound closure, and systemic repair are different outcomes and cannot stand in for one another.
Source: Effects of topical copper tripeptide complex on wound healing in an irradiated rat model. ↗
What does the evidence show?
Selected published evidence, with the population, findings, and limits kept together. These original summaries draw on publication abstracts; they are not a systematic review.
Animal / laboratory study · 2013
Irradiated wound model
Effects of topical copper tripeptide complex on wound healing in an irradiated rat model.
- Population / model
- Rats with surgically created skin flaps after irradiation.
- Study design
- Topical GHK-Cu gel versus control ointment for ten days.
- Main finding
- No significant difference was found in flap ischemia, blood-vessel measurements, or VEGF expression under the study’s analysis criteria.
- Limits & context
- This negative result belongs beside positive mechanistic claims. It does not settle all cosmetic questions, but it shows that a repair hypothesis may fail in a specific model.
Source: Effects of topical copper tripeptide complex on wound healing in an irradiated rat model. ↗
Animal study · 1993
Connective-tissue accumulation in wound chambers
Which wound-tissue measures changed with the copper-peptide complex?
- Population / model
- Rats with implanted wound chambers.
- Study design
- Local GHK-Cu exposure compared with saline and a control tripeptide; wound contents and selected gene transcripts measured.
- Main finding
- The investigators found concentration-dependent increases in collagen, total protein, DNA, and glycosaminoglycan accumulation. Type I and III collagen messenger RNA increased; TGF-beta messenger RNA did not.
- How to read it
- The findings concern formation and accumulation of extracellular matrix in an experimental wound environment.
- Limits & context
- This is not a human wrinkle, hair-growth, or longevity trial. A local wound-chamber exposure cannot establish the performance of a cosmetic product or an injectable research preparation.
Source: Maquart et al. · Journal of Clinical Investigation · 1993 ↗
Read the original paper for methods, adverse events, funding, and conflicts of interest. Publisher access may require a subscription.
Search additional PubMed records ↗New editorial updates
New source discoveries
Links appear automatically. Unreviewed discoveries are not verified medical findings.
Safety & precautions
Safety evidence & remaining uncertainty
FDA flags limited injectable safety evidence. Topical experience does not answer the risks of injecting a copper-peptide preparation.
Source: FDA · Peptide compounding safety concerns ↗
This is not a complete list of contraindications, interactions, or adverse effects. Medicine labels apply to specific products and indications; research-use listings are not interchangeable with approved medicines.
What are people discussing?
Skin claims reaching a wider audience
The host describes hearing skin-related GHK-Cu claims from people outside bodybuilding. The passage illustrates the spread of a claim; it does not provide clinical evidence that the claim is true.
Does the cited skin study use the same formulation and route as the product being discussed?
Caption excerpt reviewed · Claims not independently verified · 2026-10-04
Original episode: BURN FAT FASTER WITH MOTS C | Josh Holyfield | Real Bodybuilding Podcast
Watch the source discussions
47 matching video records · 11 with captions indexed.
Across the full library, 30 caption files are indexed from 20,199 inventoried videos. Most transcripts remain unreviewed. Select a thumbnail or timestamp to watch inside PepsRadar. Thumbnail images load from YouTube.

Fouad Abiad Media
BURN FAT FASTER WITH MOTS C | Josh Holyfield | Real Bodybuilding Podcast ↗
Captions indexed · Automatic matches need review

Fouad Abiad Media
RETATRUTIDE: EVERYTHING YOU NEED TO KNOW | Wes Christensen | Fouad Abiad's Real Bodybuilding Podcast ↗
Captions indexed · Automatic matches need review

Mind Pump Show
Breakthrough Muscle Building Peptides with Jay Campbell | Mind Pump 2840 ↗
Captions indexed · Automatic matches need review

Mind Pump Show
Hormones, Peptides & Body Transformation with Phil Vella CEO of Vita Bella Health | Mind Pump 2882 ↗
Captions indexed · Automatic matches need review

Mind Pump Show
Peptides vs Bioregulators: The Future of Health Optimization w/ Nick Andrews | Mind Pump 2672 ↗
Captions indexed · Automatic matches need review

Peptide Of The Week
Peptide Q&A #60 – Live from South Carolina, COA Verification, HGH Long Game & SIBO ↗
Captions indexed · Automatic matches need review
Sources & supplier listings
Listings are grouped by the vendor’s stated identity. Blends and modified derivatives are labeled separately. Inclusion is not a quality assessment or an endorsement.
GHK-Cu Copper Peptide (50mg)
BioLongevity Labs · Vendor-labeled research use only
$84.97
Listed in stock · Snapshot 2026-10-04
Options may vary. Shipping and tax excluded.
Affiliate link · PepsRadar may earn a commission from purchases through this link. Affiliate disclosure.
GLOW Blend (BPC-157 TB-500 GHK-CU) (70mg)
BioLongevity Labs · Vendor-labeled research use only
$259.97
Listed in stock · Snapshot 2026-10-04
Options may vary. Shipping and tax excluded.
Blend ingredients & evidence →
View seller listing ↗Affiliate link · PepsRadar may earn a commission from purchases through this link. Affiliate disclosure.
KLOW Blend (GHK-Cu, BPC-157, TB-500, KPV) 80mg
BioLongevity Labs · Vendor-labeled research use only
$274.97
Listed in stock · Snapshot 2026-10-04
Options may vary. Shipping and tax excluded.
Blend ingredients & evidence →
View seller listing ↗Affiliate link · PepsRadar may earn a commission from purchases through this link. Affiliate disclosure.
GHK-Cu (Copper Peptide) (50 mg / 100 mg)
American Peptides · Vendor-labeled research use only
$50.00–$75.00
Listed in stock · Snapshot 2026-10-05
Options may vary. Shipping and tax excluded.
Affiliate link · PepsRadar may earn a commission from purchases through this link. Affiliate disclosure.
BPC-157/GHK-Cu/TB-500 blend (70 mg)
American Peptides · Vendor-labeled research use only
$150.00
Listed in stock · Snapshot 2026-10-05
Options may vary. Shipping and tax excluded.
Affiliate link · PepsRadar may earn a commission from purchases through this link. Affiliate disclosure.
BPC-157/GHK-Cu/TB-500/KPV blend (80 mg)
American Peptides · Vendor-labeled research use only
$200.00
Listed in stock · Snapshot 2026-10-05
Options may vary. Shipping and tax excluded.
Affiliate link · PepsRadar may earn a commission from purchases through this link. Affiliate disclosure.
GHK-CU (50 mg / 100 mg)
PSPeptides · Vendor-labeled research use only
$34.99–$39.99
Listed in stock · Snapshot 2026-10-05
Options may vary. Shipping and tax excluded.
Affiliate link · PepsRadar may earn a commission from purchases through this link. Affiliate disclosure.
GHK-Cu + KPV Blend (60 mg - 50/10 mg)
PSPeptides · Vendor-labeled research use only
$59.99
Listed in stock · Snapshot 2026-10-05
Options may vary. Shipping and tax excluded.
Affiliate link · PepsRadar may earn a commission from purchases through this link. Affiliate disclosure.
BPC-157/GHK-Cu/TB-500 blend (70 mg)
PSPeptides · Vendor-labeled research use only
$94.99
Listed in stock · Snapshot 2026-10-05
Options may vary. Shipping and tax excluded.
Affiliate link · PepsRadar may earn a commission from purchases through this link. Affiliate disclosure.
BPC-157/GHK-Cu/TB-500/KPV blend (80 mg)
PSPeptides · Vendor-labeled research use only
$124.99
Listed in stock · Snapshot 2026-10-05
Options may vary. Shipping and tax excluded.
Affiliate link · PepsRadar may earn a commission from purchases through this link. Affiliate disclosure.
Catalog checked 2026-10-04. Seller listings retain their stated intended use. Shops covered: BioLongevity Labs, BioLongevity Supplements, American Peptides, PSPeptides. This is not a market-wide comparison. Affiliate participation does not determine evidence or editorial coverage.
Questions worth asking
- What specific product, route, and research population does the claim refer to?
- Does the source measure an outcome in people, or only a laboratory marker?
- Topical products, injected preparations, and animal studies answer different questions.
- What adverse effects, uncertainty, and conflicts of interest does the original source report?
Frequently asked questions
Does a skin-care ingredient establish an injectable therapy?
No. Route, exposure, and intended outcome differ.
Source: Effects of topical copper tripeptide complex on wound healing in an irradiated rat model. ↗
Why include a negative animal study?
It tests the proposed benefit and helps prevent a page from presenting only favorable findings.
Source: Effects of topical copper tripeptide complex on wound healing in an irradiated rat model. ↗
What does the additional research establish?
The findings concern formation and accumulation of extracellular matrix in an experimental wound environment. This is not a human wrinkle, hair-growth, or longevity trial. A local wound-chamber exposure cannot establish the performance of a cosmetic product or an injectable research preparation.
Source: Maquart et al. · Journal of Clinical Investigation · 1993 ↗
References & editorial record
- FDA · Compounding safety concerns ↗
- PubMed · Animal wound study · PMID 23744835 ↗
- Maquart et al. · Journal of Clinical Investigation · 1993 ↗
Source notes checked 2026-10-04. Original PepsRadar summaries. Not reviewed by a medical professional. Topic grouping is editorial navigation, not a treatment recommendation. Video notes specify which excerpts were reviewed; no full transcripts are published.
PUT THE EVIDENCE IN CONTEXT
Research guides
RESEARCH FIELD GUIDE
How to read a peptide certificate without confusing it with a guarantee
A worked example separates directory references, certificate IDs, batch numbers, reported results, and unanswered questions.
Read the guide →
