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GHK-Cu 50mg
Product analysis · PepSource

GHK-Cu 50mg

50 mg per vial of GHK-Cu, sold by PepSource. An analytical report is on file from Freedom Diagnostics Testing, showing 99.75% purity. For laboratory research use only.

Why this score?
Testing & analytical evidence
40/45
Value
14/25
Product identity
14/15
Supplier transparency
10/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing transparency: 40/45
£25.00PepSource
50 mgVial size
1Vials per pack
£25.00Price / vial
£0.50Price / mg
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We may earn a commission from qualifying purchases. This never affects our scores. Research-use product only - not for human or veterinary use.

The score, explained

Our scoring methodology
Testing & analytical evidence89/100
40 of 45 points
Value56/100
14 of 25 points
Product identity93/100
14 of 15 points
Supplier transparency100/100
10 of 10 points
Label & listing transparency100/100
5 of 5 points

Overall: 83/100 - Strong. The score compares the documentation and characteristics of this research product - not whether a peptide is safe, effective or suitable for human use. Affiliate commission contributes no points.

Testing & evidence

Verified independent evidence

Evidence status
Verified independent evidence
Manufacturer statement
"Every batch is independently third-party tested for HPLC purity and mass-spectrometry identity, and the certificate of analysis for the batch you receive is published on our lab results page."
Laboratory
Freedom Diagnostics Testing
Certification body
Not recorded
Batch
CU50-2605-03-IV
Batch-specific report
Recorded
Report date
2026-05-22
Evidence checked
2026-09-22
Purity (HPLC)
99.75%
Chromatogram
Not shown
Identity / mass spectrometry
Independent, identity stated
Measured content
Within 11% of label
Lab verification
Can be verified with the laboratory
Microbiology / endotoxin
Not shown

Found a batch-specific independent report for GHK-Cu 50mg showing 99.75% purity, 55.33 mg measured content, and LC-MS methodology. No chromatogram image, sterility/endotoxin panel, or contaminant panel was shown on the page I checked.

Dose & value

Vial size
50 mg
Vials per pack
1 (single vial)
Pack price
£25.00
Price per vial
£25.00
Price per mg
£0.50
Compared with other suppliers
32% above the median (14 suppliers, same peptide)
Price last checked
22 Sep 2026

GHK-Cu product details

Compound
GHK-Cu
Supplier product name
GHK-Cu
Supplier product code (SKU)
CU50
CAS number
Not disclosed
Presentation
Lyophilised powder vial
Storage
Store sealed vials cool, dry and away from light; freeze for long-term storage Recons
Supplier purity claim
Not disclosed

Listing details describe the supplier's own product page; they do not independently verify the contents of any vial. Check the current listing and the batch covered by any test report.

Supplier transparency

Supplier
PepSource
Legal company
PepSource
Companies House verified
Yes
UK address disclosed
Yes
Contact details
Yes
Shipping policy
Yes
Returns policy
Yes
Batch / testing process explained
Yes

View the full supplier profile →

Compare all GHK-Cu suppliers →

What the record makes clear

  • An analytical report was located for this listing.
  • The report is for batch CU50-2605-03-IV - confirm it matches the vial you receive.
  • Price per mg can be calculated from the labelled vial size.

What to keep in mind

  • Research use only. A score is not an endorsement, and does not mean a product is safe, sterile, effective or suitable for human or veterinary use.
  • One tested sample does not guarantee every vial is identical.

Explore the alternatives

Compare alternative

GHK-Cu (Research Material) — 50mgSPX Labs

Why this score?
Testing & analytical evidence
39/45
Value
18/25
Product identity
13/15
Supplier transparency
6/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Quantity
50 mg / vial
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
SPX Labs says the product is batch-identifiable with supporting analytical documentation available where applicable; the product page states batch SPX-GHK50-001 is associated with reported peptide content 50mg and reported peptide purity 99.021%.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
SPX-GHK50-001
Batch-specific report
Recorded
Report date
2026-04-16
Evidence checked
2026-09-21
£0.38per mg
£18.99per pack
View AnalysisBuy Now
Product & testing details
Supplier
SPX Labs
Vials per pack
1
Price per vial
£18.99
Listing last checked
2026-09-21 18:00:22
Evidence status
Verified independent evidence
Manufacturer statement
SPX Labs says the product is batch-identifiable with supporting analytical documentation available where applicable; the product page states batch SPX-GHK50-001 is associated with reported peptide content 50mg and reported peptide purity 99.021%.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
SPX-GHK50-001
Batch-specific report
Recorded
Report date
2026-04-16
Evidence checked
2026-09-21

GHK-Cu (Research Material) — 50mg

SPX Labs
Why this score?
Testing & analytical evidence
39/45
Value
18/25
Product identity
13/15
Supplier transparency
6/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
SPX Labs says the product is batch-identifiable with supporting analytical documentation available where applicable; the product page states batch SPX-GHK50-001 is associated with reported peptide content 50mg and reported peptide purity 99.021%.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
SPX-GHK50-001
Batch-specific report
Recorded
Report date
2026-04-16
Evidence checked
2026-09-21
£0.38per mg
£18.99per pack
View AnalysisBuy Now

Compare alternative

GHK-Cu 50 mgUK Peptides (ukpeptides.com)

Why this score?
Testing & analytical evidence
39/45
Value
14/25
Product identity
11/15
Supplier transparency
3/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Quantity
50 mg / vial
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
Specifications for this compound, independently verified by HPLC and LC-MS before release. Download COA (CP-GHKC-2604)
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
GHK50/0907/RB
Batch-specific report
Recorded
Report date
2026-07-13
Evidence checked
2026-09-21
£0.50per mg
£24.99per pack
View AnalysisBuy Now
Product & testing details
Supplier
UK Peptides (ukpeptides.com)
Vials per pack
1
Price per vial
£24.99
Listing last checked
2026-09-20 09:20:11
Evidence status
Verified independent evidence
Manufacturer statement
Specifications for this compound, independently verified by HPLC and LC-MS before release. Download COA (CP-GHKC-2604)
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
GHK50/0907/RB
Batch-specific report
Recorded
Report date
2026-07-13
Evidence checked
2026-09-21

GHK-Cu 50 mg

UK Peptides (ukpeptides.com)
Why this score?
Testing & analytical evidence
39/45
Value
14/25
Product identity
11/15
Supplier transparency
3/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
Specifications for this compound, independently verified by HPLC and LC-MS before release. Download COA (CP-GHKC-2604)
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
GHK50/0907/RB
Batch-specific report
Recorded
Report date
2026-07-13
Evidence checked
2026-09-21
£0.50per mg
£24.99per pack
View AnalysisBuy Now

Compare alternative

GHK-Cu 50-mg / owsa-ghk-50mgOwsa Labs

Why this score?
Testing & analytical evidence
35/45
Value
15/25
Product identity
11/15
Supplier transparency
3/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Quantity
50 mg / vial
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
"Certificate of analysis on every product"; "We hold 2 laboratory reports for this compound. Each covers the lot it names"; "Testing by Janoshik Analytical, covering peptide content and purity."; product page also states "Purity ≥98%" and "high-purity lyophilised research peptide."
Laboratory
PeptideVerify
Certification body
Not recorded
Batch
ALPGC5003
Batch-specific report
Recorded
Report date
2026-06-16
Evidence checked
2026-09-21
£0.48per mg
£23.99per pack
View AnalysisBuy Now
Product & testing details
Supplier
Owsa Labs
Vials per pack
1
Price per vial
£23.99
Listing last checked
2026-09-21 17:26:44
Evidence status
Verified independent evidence
Manufacturer statement
"Certificate of analysis on every product"; "We hold 2 laboratory reports for this compound. Each covers the lot it names"; "Testing by Janoshik Analytical, covering peptide content and purity."; product page also states "Purity ≥98%" and "high-purity lyophilised research peptide."
Laboratory
PeptideVerify
Certification body
Not recorded
Batch
ALPGC5003
Batch-specific report
Recorded
Report date
2026-06-16
Evidence checked
2026-09-21

GHK-Cu 50-mg / owsa-ghk-50mg

Owsa Labs
Why this score?
Testing & analytical evidence
35/45
Value
15/25
Product identity
11/15
Supplier transparency
3/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
"Certificate of analysis on every product"; "We hold 2 laboratory reports for this compound. Each covers the lot it names"; "Testing by Janoshik Analytical, covering peptide content and purity."; product page also states "Purity ≥98%" and "high-purity lyophilised research peptide."
Laboratory
PeptideVerify
Certification body
Not recorded
Batch
ALPGC5003
Batch-specific report
Recorded
Report date
2026-06-16
Evidence checked
2026-09-21
£0.48per mg
£23.99per pack
View AnalysisBuy Now