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

GHK-Cu 99.9% Purity — ZepeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.9%
Dose vs label -14.1% Under the labeled dose
Evidence Artifact captured
Test date
2026-02-04
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
85.9mg
label 100mg · tested 85.9mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
5.7
Label dose
100mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 99.90% ranks higher than 73% of the 2580 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-02-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 38% of our catalogued GHK-Cu certificates.

Zepeptide has 65 certificates in our corpus, including 8 for GHK-Cu at a median tested purity of 99.90%.

Manufacturer
Zepeptide
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

Artifact captured

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
100mg
Container
No Label / Silver Crimp / Violet Cap
Catalogued
2026-05-31
Artifact hash
4ed8b81a386967c2…
Saved source

Saved source document

sha256:8ccfc04c6d1cc9dd… — immutable copy held by TitrateLab

Related

Other GHK-Cu certificates

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