All GHK-Cu Certificate of Analysis results(2,609 COAs)
TitrateLab · Certificate of Analysis

GHK-Cu 99.7% Purity — crystalpeptides.euCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.682%
Dose vs label -5.6% Under the labeled dose
Evidence URL referenced
Test date
2026-05-26
Testing lab
Janoshik
Batch / lot
Quantity
94.44 mg
label 100mg · tested 94.44 mg
Endotoxins
Assay method
Label dose
100mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 99.68% ranks higher than 27% of the 2580 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-05-26 by Janoshik. This test is newer than 76% of our catalogued GHK-Cu certificates.

crystalpeptides.eu has 29 certificates in our corpus, including 2 for GHK-Cu at a median tested purity of 99.55%.

Manufacturer
crystalpeptides.eu
View vendor profile
Source

Janoshik (public)

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Verify on the upstream lab
Dose
100mg
Catalogued
2026-06-18
OCR text Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.

{
  "peptide": "GHK-Cu",
  "dose": "100mg",
  "purity_pct": 99.682,
  "purity_label": "99.682%",
  "method": "",
  "test_date": "2026-05-26",
  "client": "Crystal Peptides EU (de. / fr. / it. / pl. / cz. / uk. / ro. / gr. / ......)",
  "notes": "",
  "label_qty": "100mg",
  "tested_qty": "94.44 mg",
  "quantity_deviation_pct": -5.56,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

Other GHK-Cu certificates

All GHK-Cu results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from crystalpeptides.eu or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →