Your Cart

Checkout currently disabled and should return later this week     Checkout currently disabled and should return later this week     Checkout currently disabled and should return later this week     Checkout currently disabled and should return later this week     Checkout currently disabled and should return later this week    
Checkout currently disabled and should return later this week     Checkout currently disabled and should return later this week     Checkout currently disabled and should return later this week     Checkout currently disabled and should return later this week     Checkout currently disabled and should return later this week    
For Research Use Only. Not for Use in diagnostic procedures.

This product is solely intended for research purposes as a chemical compound. Its designation permits its use exclusively for in vitro testing and laboratory experimentation. All information regarding this product provided on our website is purely educational. By law, any form of bodily introduction of this product into humans or animals is strictly prohibited. It should only be handled by professionals who are licensed and qualified. This product is neither a drug, food, nor cosmetic, and must not be misrepresented, misused, or mislabeled as such.

GHK-Cu Kit

 

Independently Certified USP<85> Endotoxin Safe


Save over 80%!

Swipe right to view full table →

  Peptide Sciences Liberty Peptides
Cost per milligram
$0.25 - $0.45
$1.40 $0.62
Purity
99.73%
98.7% 99.97%
Certified Endotoxin-safe
Yes
No No
Independently Tested
Yes
No No

 

Peptide Partners Manufacturer Id: SH07

Batch Id: CU20250717

 

Overview

(For educational purposes only)

GHK-Cu (glycyl-L-histidyl-L-lysine copper complex) represents a remarkable bioactive peptide with profound regenerative, anti-inflammatory, and anti-aging properties. This naturally occurring tripeptide, found in human plasma and other bodily fluids, has gained significant attention for its diverse biological activities and therapeutic potential. As research continues to uncover its mechanisms of action and applications, GHK-Cu has emerged as a promising compound for various medical and cosmetic applications.

Molecular Structure and Natural Origin

GHK-Cu is a naturally occurring copper complex of the tripeptide glycyl-L-histidyl-L-lysine, characterized by its strong affinity for copper(II) ions. First isolated from human plasma by Loren Pickart in 1973, the compound has since been identified in multiple bodily fluids:

·         Present in human plasma, saliva, and urine[1]

·         Forms a distinct complex with copper ions, which is critical to its biological activity[2]

·         Exhibits strong copper binding affinity (log binding constant of 16.44)[1]

The molecular structure of GHK-Cu has been extensively studied through various methods including X-ray crystallography, EPR spectroscopy, and NMR spectroscopy. In the GHK-Cu complex, the copper(II) ion is coordinated by nitrogen from the histidine's imidazole side chain, nitrogen from glycine's alpha-amino group, and the deprotonated amide nitrogen of the glycine-histidine peptide bond[1].

A significant aspect of GHK-Cu is its age-dependent decline in the human body:

·         Average level of approximately 200 ng/ml at age 20

·         Decreases to approximately 80 ng/ml by age 60[1][3][4]

This decline may contribute to various age-related changes, as GHK-Cu plays crucial roles in tissue regeneration and cellular health.

Biological Mechanisms of Action

GHK-Cu exerts its effects through multiple complementary mechanisms, which explain its diverse biological activities:

Collagen Synthesis and Extracellular Matrix Regulation

GHK-Cu is a potent stimulator of structural proteins essential for skin integrity and wound healing:

·         Stimulates both synthesis and breakdown of collagen and glycosaminoglycans[5]

·         Regulates metalloproteinases and their inhibitors (TIMP-1 and TIMP-2)[5]

·         Promotes collagen I, IV, and VII production, with particular synergy with hyaluronic acid for collagen IV upregulation[6]

·         Increases production of decorin, a proteoglycan involved in collagen synthesis and wound healing regulation[1]

Cell Signaling and Migration

The peptide promotes tissue repair through effects on cellular behavior:

·         Attracts immune and endothelial cells to injury sites[5]

·         Enhances fibroblast activity and migration, supporting new tissue formation[7]

·         Stimulates blood vessel growth (angiogenesis)[1][7]

·         Increases the stemness and proliferative potential of basal keratinocytes[5]

Anti-inflammatory and Antioxidant Effects

GHK-Cu demonstrates significant protective properties:

·         Functions as a potent anti-inflammatory agent[8]

·         Reduces production of pro-inflammatory cytokines including TNF-α and IL-6[8][6]

·         Blocks activation of NFκB p65 and p38 MAPK pathways involved in inflammation[8][6]

·         Amplifies activity of antioxidant enzymes like catalase, superoxide dismutase, and glutathione peroxidase[5][8]

·         Reduces oxidative damage to tissues[8]

Genomic and Epigenetic Regulation

Perhaps most remarkably, GHK-Cu has been found to exert widespread effects on gene expression:

·         Capable of up- and down-regulating approximately 4,000 genes in the human genome[5]

·         Affects approximately 31.2% of human genes by either activating or deactivating them (based on >50% change in gene activity)[9]

·         Essentially resets DNA expression patterns to a healthier state[5]

·         Stimulates expression of DNA repair genes, potentially protecting against neurological degeneration[10]

·         Promotes expression of growth hormone receptor in tendon fibroblasts[7]

Therapeutic Applications

The diverse biological activities of GHK-Cu translate into multiple therapeutic applications, supported by various levels of evidence:

Wound Healing and Tissue Regeneration

GHK-Cu demonstrates remarkable wound healing properties:

·         Accelerates wound healing in animal studies, improving wound contraction and formation of granular tissue[8]

·         Enhances both functional and structural aspects of healing in diabetic and ischemic wounds[8]

·         Increases activity of antioxidant enzymes and stimulates blood vessel growth in wounds[8]

·         Promotes early functional recovery of tendon-to-bone healing in animal models[7]

Skin Rejuvenation and Anti-Aging

The peptide offers comprehensive benefits for aging skin:

·         Tightens loose skin and reverses thinning of aged skin[8]

·         Repairs protective skin barrier proteins[8]

·         Improves skin firmness, elasticity, and clarity[8]

·         Reduces fine lines, wrinkles, and improves overall skin appearance[11][12]

·         Smooths rough skin and reduces photodamage and hyperpigmentation[8]

·         Protects skin cells from UV radiation damage[11]

In a clinical study conducted by Wayne Carey at McGill University:

·         21 subjects using a GHK-Cu formulation for 3 months showed an average 28% increase in subdermal echogenic density (correlating with collagen/elastin elements)

·         The top quartile of participants demonstrated an average 51% improvement in collagen over the 3-month period[9]

Hair Growth Promotion

GHK-Cu has demonstrated effects on hair follicles:

·         Increases hair growth and thickness[8]

·         Enlarges hair follicle size[8]

·         May improve hair regrowth in areas of injury[7]

Neurological Applications

Emerging research suggests potential neurological benefits:

·         Preliminary observations indicate GHK can partially reverse cognitive impairment in aging mice by targeting anti-inflammatory and epigenetic pathways[3][4]

·         May offer neuroprotective effects[2]

·         Potential benefits for conditions like Alzheimer's disease and Parkinson's disease[2]

Safety Profile and Administration

GHK-Cu is available in various formulations and generally demonstrates good tolerability:

Formulations and Administration

·         Available as topical creams, serums/solutions, and troches[11][12]

·         Can be administered through subcutaneous injections[10]

·         Some formulations utilize microneedling to enhance penetration[10]

·         Novel formulations with pharmaceutical-grade excipients have been developed to improve skin penetration[9]

Safety Considerations

While generally well-tolerated, some precautions should be noted:

·         The copper component can potentially cause copper toxicity if prescribed incorrectly[10]

·         Toxicity typically resolves with cessation of therapy[10]

·         Monitoring by a trained provider is recommended[10]

Conclusion

GHK-Cu represents a fascinating naturally occurring peptide with remarkable regenerative, anti-inflammatory, and anti-aging properties. Its ability to modulate gene expression, stimulate collagen production, promote wound healing, and protect against oxidative damage positions it as a valuable compound in both medical and cosmetic applications.

The age-related decline in endogenous GHK-Cu levels suggests potential value in supplementation, particularly for age-related skin changes and wound healing challenges. As research continues to elucidate its mechanisms and applications, GHK-Cu may offer promising avenues for addressing conditions ranging from skin aging to neurological decline.

Current evidence supports its efficacy for skin rejuvenation and collagen production, while emerging data points to broader applications in tissue regeneration and potentially age-related cognitive decline. As formulation technology improves to enhance delivery and bioavailability, GHK-Cu may continue to expand its therapeutic potential in the fields of regenerative medicine and anti-aging science.


1.       https://en.wikipedia.org/wiki/Copper_peptide_GHK-Cu     

2.      https://www.peptidesciences.com/peptide-research/ghk-cu-explained  

3.      https://pmc.ncbi.nlm.nih.gov/articles/PMC8789089/ 

4.      http://www.antpublisher.com/index.php/APT/article/view/230/294 

5.       https://pmc.ncbi.nlm.nih.gov/articles/PMC4508379/      

6.      https://onlinelibrary.wiley.com/doi/10.1111/jocd.15763  

7.       https://www.peptidesciences.com/peptide-research/what-is-ghk-cu-and-how    

8.      https://pmc.ncbi.nlm.nih.gov/articles/PMC6073405/             

9.      https://www.eurekalert.org/news-releases/990464  

10.   https://www.re-newinstitute.com/content/ghk-cu     

11.    https://www.strivepharmacy.com/medications/ghk-cu  

12.   https://resetiv.com/products/ghk-cu-cream 

Storage Instructions:

All of our manufacturing partners produce peptides using the Lyophilization (Freeze Drying) process, ensuring products maintain stability for shipping and storage for 6+ months. 

Once peptides have been received, it is imperative that they are kept cold and away from light. If the peptides will be used immediately, or in the next several days, weeks or months, short-term refrigeration under 4°C (39°F) is generally acceptable. Lyophilized peptides are usually stable at room temperatures for several weeks or more, so if they will be utilized within weeks or months such storage is typically adequate.

However, for longer-term storage (several months to years) it is more preferable to store peptides in a freezer at -80°C (-112°F). When storing peptides for months or even years, freezing is optimal in order to preserve the peptide's stability.

 

Third-party testing

Peptide Partners is committed to providing high-purity peptides at wholesale prices by frequently auditing its manufacturing partners using third-party laboratories. Independent analysis is vital to ensuring the quality and authenticity of your research peptides. Never trust a supplier that doesn't submit to third-party testing. Never trust a certification that cannot be independently verified. All of the certificates that we provide can be validated on the third-party laboratory's website. 

Each product description contains a Manufacturer ID corresponding to the producer of that product. The table below contains the most recent third-party analyses for all manufacturers and peptides listed on Peptide Partners. 

Current Purity certifications

Swipe right to view full table →

 Peptide Manufacturer Date Purity Laboratory
Sermorelin WF03 2025-08-27 99.84% BioRegen View File
Tesamorelin WF03 2025-08-22 99.10% TrustPointe View File
CJC-1295 ND WF03 2025-08-20 99.43% TrustPointe View File
Semaglutide EJ12 2025-08-20 99.34% TrustPointe View File
Ipamorelin WF03 2025-08-15 99.64% TrustPointe View File
GHK-Cu SH07 2025-08-09 99.73% BioRegen View File
Tirzepatide EJ12 2025-08-08 99.41% TrustPointe View File
NAD+ SH07 2025-07-31 99.76% BioRegen View File
VIP SH07 2025-07-31 99.42% BioRegen View File
Retatrutide SH07 2025-07-25 99.42% TrustPointe View File
BPC/TB500 SH07 2025-07-17 99.52% TrustPointe View File
TB500 (TB4) SH07 2025-07-17 99.68% TrustPointe View File
BPC-157 SH07 2025-07-17 99.92% TrustPointe View File
Cagrilinitide EJ12 2025-04-17 99.64% TrustPointe View File

Current Endotoxin Certifications

Swipe right to view full table →

 Peptide Manufacturer Date USP<85> Conformation Laboratory
Bacteriostatic Water SH07 2025-08-27 Conforms BioRegen View File
Tesamorelin WF03 2025-08-20 Conforms TrustPointe View File
CJC-1295 ND WF03 2025-08-20 Conforms TrustPointe View File
Sermorelin WF03 2025-08-20 Conforms TrustPointe View File
Semaglutide EJ12 2025-08-20 Conforms TrustPointe View File
Ipamorelin WF03 2025-08-11 Conforms TrustPointe View File
GHK-Cu SH07 2025-08-08 Conforms TrustPointe View File
Tirzepatide EJ12 2025-08-04 Conforms TrustPointe View File
NAD+ SH07 2025-07-29 Conforms TrustPointe View File
KPV SH07 2025-07-29 Conforms TrustPointe View File
VIP SH07 2025-07-29 Conforms TrustPointe View File
Retatrutide SH07 2025-07-24 Conforms TrustPointe View File
BPC/TB500 SH07 2025-07-17 Conforms TrustPointe View File
BPC-157 SH07 2025-07-17 Conforms TrustPointe View File
TB500 (TB4) SH07 2025-07-17 Conforms TrustPointe View File

Current Sterility Certifications

Swipe right to view full table →

 Product Manufacturer Date USP<71> Pass/Fail Laboratory
Meta-Z DF05 2025-08-26 Pass TrustPointe View File

Verifiable certificates

When obtaining research peptides, it is essential to validate the authenticity of the Certificate of Analysis (COA). Certificate fraud runs rampant throughout the research peptide supply community. The two most common forms are doctored images and stolen certificates. You can check for these two by making sure the third-party laboratory's website shows that the certificate belongs to the supplier and the values haven't been doctored. TrustPointe Analytics provides a few simple rules for verification:

When reviewing a COA, the first thing that should be done is to look for a way to verify that the COA is legitimate – either a link, key, or QR Code. That should take you to the laboratory’s website, not a third party website. If you follow the link and it does not take you to the laboratory’s website (URL), it is likely falsified. Finally, verify that the information on the COA provided matches the COA on the laboratory’s website. People who falsify COAs cannot access the laboratory’s website, so they are unable to alter the original COA.

Beware of fraudulent laboratories

Not only must one remain vigilant about potentially fraudulent certificates, one must also be aware that there are third-party laboratories whose results cannot be considered reliable or scientifically valid. Unfortunately, there is significant evidence to suggest that one of the most popular third-party testing labs does not use scientifically sound methodologies and, in some cases, has fabricated results. There isn't an easy remedy for this problem, but when labs are particularly bad, there tend to be a lot of discussion threads on various social platforms.

Interpreting Endotoxin Results (via TrustPointe)

Our friends at TrustPointe have provided the following detailed explanation to help interpret the results of the endotoxin testing.

We use the Charles River Endosafe PTS system to test for bacterial endotoxins following USP <85> guidelines:

  • USP <85> Bacterial Endotoxin Result: <x.xx EU/mL
    Because it’s reported as “<x.xx” this indicates the test did not detect endotoxin above the detection limit of the cartridge.
  • If a result is above the limit of detection of the cartridge, it will be reported as a number (without the "<").

The following are suitability parameters that verify the system was working properly and the sample prep dilution is appropriate for accurate results. Peptides often interfere with endotoxin detection due to their tendency to bind or mask endotoxins, which can lead to inaccurate low results. To overcome this, samples are typically tested at a large dilution to reduce matrix interference and ensure reliable recovery and detection in compliance with USP <85>.  If the dilution is not correct, the run will fail suitability and we'll need to adjust the dilution to ensure accurate results. We provide the suitability data to customers for transparency and so they can be confident in the results.

USP <85> Sample CV %:

  • CV stands for coefficient of variation, a measure of repeatability.
  • For our lab, CV has to be <25% or the result to be considered valid

USP <85> Spike CV %:

  • This refers to the precision of the positive control (spiked sample).
  • Again, for our lab CV has to be <25% or the result to be considered valid

USP <85> Spike Recovery

  • This tells us how much of the known endotoxin spike was recovered from your sample.
  • The acceptable range is 50–200% per USP <85>
NOT SUITABLE FOR HUMAN CONSUMPTION – INTENDED FOR RESEARCH ONLY

Thank you for choosing Peptide Partners.

NOTICE: All information provided above is strictly intended for educational and informational purposes. Our products are designed for research use solely and are not approved for human consumption. Please refrain from any form of ingestion.

By making a purchase from Peptide Partners, you acknowledge that you are acquiring Research Chemicals. Our products are exclusively intended for laboratory research purposes.

It is imperative that only qualified and licensed professionals handle this product. Under no circumstances should it be utilized as a drug, agricultural or pesticide product, food additive, or household chemical. Misrepresentation of this product for such purposes is strictly prohibited by law. All content on our website is provided for educational use exclusively. Any form of introduction into the human or animal body is illegal.

Recently viewed products