After taking GHK-Cu at the recommended dosage for a couple of months, I honestly didn’t notice any significant difference overall. I didn’t experience any negative side effects or adverse reactions, which was a positive, but I also didn’t see or feel any noticeable improvements. Everyone’s experience may be different, but for me, the results were minimal, and I was left somewhat disappointed after using it consistently for several months.

Third-Party Tested by Verum Analytics
GHK-Cu
Copper peptide GHK-Cu — the gold standard for collagen synthesis, skin regeneration, and anti-aging research.
Third-Party Tested by Verum Analytics

Albert's Verdict
GHK-Cu at ≥99% purity does something elegant — it upregulates over 30 genes associated with tissue remodeling while simultaneously downregulating inflammatory markers. The copper chelation is critical; purity here is non-negotiable.
View COAOut of Stock
Arrives as lyophilized (powder) form
Shipped freeze-dried for maximum stability and shelf life. See laboratory preparation guide for handling instructions.
Product Description
GHK-Cu (Glycyl-L-Histidyl-L-Lysine Copper Complex) is a naturally occurring copper-binding tripeptide found in human plasma. Plasma levels naturally decline from ~200 ng/mL at age 20 to ~80 ng/mL by age 60, which correlates with visible signs of aging and slower wound healing.
Research shows GHK-Cu affects the expression of over 30% of human genes and drives collagen production, elastin synthesis, tissue regeneration, hair-follicle stimulation, anti-inflammatory effects, and systemic anti-aging benefits. Injectable GHK-Cu delivers systemic distribution ideal for full-body skin, hair, and tissue-regeneration research. For research use only. Not for human or veterinary consumption.
Technical Specifications
- Molecular Formula
- C14H23CuN6O4
- Molecular Weight
- 403.92 g/mol
- Sequence
- Gly-His-Lys:Cu
Frequently Researched Together
Commonly studied alongside in laboratory settings
Verified reviews — GHK-Cu
4 verified buyers
Easy reconstitution, excellent quality and purity.
Great customer service, great product and speedy delivery!
I was skeptical about ordering online, but product shipped quickly, very well packaged, and the quality seems top tier. Communication was great. Will be using them again for future purchases.
Reviews are submitted by verified buyers via per-order tokenized links. Reviews are evaluated for product-focused content; any review containing therapeutic claims (cured, treats, healed, etc.) may be edited or hidden to maintain compliance with FDA and platform guidelines.
Learn More About This Peptide
Research Use Only: This product is intended for laboratory research purposes only. Not for human consumption.
GHK-Cu — clinical & mechanistic profile
GHK-Cu is a naturally occurring copper-binding tripeptide that regulates over 4,000 genes involved in tissue repair, collagen synthesis, and anti-inflammatory responses. 2025-2026 research confirms it delivers bioavailable copper, resets cellular gene expression to a youthful state, reduces IL-6/TNF-alpha, supports DNA repair via 84 anti-cancer-related genes, and shows cumulative collagen remodeling with 3-6 months of use.
Research status
clinical investigational
Sequence
Gly-His-Lys
Molecular weight
340.38 Da (free peptide) / 401.93 Da (copper complex)
Molecular formula
C14H24N6O4Cu (copper complex)
Studied applications
- •Gene expression modulation: studied for effects on over 4,000 genes affecting regeneration and inflammation
- •Wound healing: investigated in dermal repair, with topical applications better characterized than systemic
- •Skin aging: researched for collagen/elastin synthesis and antioxidant effects
- •Tissue remodeling: examined for extracellular matrix restructuring and metalloproteinase modulation
- •Anti-inflammatory: studied for effects on inflammatory cytokine expression
Mechanisms of action
- •Copper delivery: forms stable complex with Cu²⁺ (binding constant log10 ≈ 16.44), delivering copper while silencing redox toxicity
- •Gene expression: upregulates regenerative genes (TGF-β pathway) and downregulates inflammatory genes (IL-6, fibrinogen)
- •Collagen/elastin synthesis: stimulates fibroblast production of collagen, glycosaminoglycans, elastin, and decorin
- •Metalloproteinase modulation: affects MMPs and TIMPs for extracellular matrix remodeling
- •Antioxidant defense: inhibits ferritin iron release and activates antioxidant enzymes (SOD, catalase)
- •SIRT1 interaction: directly binds SIRT1 protein, potentially affecting cellular aging pathways
- •Topical applications far better studied than systemic/injectable use
- •Human data primarily observational or from cosmetic studies rather than controlled clinical trials
- •Not approved as a drug by FDA or other regulatory agencies
- •Effects require copper availability—chelators abolish activity
- •Skin penetration requires specific pH and formulation considerations
Peer-reviewed references
- Pickart L, Margolina A — GHK-Cu regenerative and protective actions review (2018)PMID: 29986520View
- Pickart L, et al. — GHK-Cu gene expression effectsPMID: 25815989View
- Wound healing and tissue remodeling mechanismsPMID: 22585374View
- GHK-Cu in skin aging and wound repair (2022)PMID: 35083444View
- Copper peptides and skin regenerationPMID: 22666519View
For research use only. This summary is a research-scientific overview compiled from peer-reviewed sources. It is not medical advice and is not intended for human or veterinary consumption.