GHK-Cu 99.8% Purity — Zenith Jove Peptide ZjCertificate of Analysis · Independent third-party lab result

Name: GHK-Cu COA — Zenith Jove Peptide Zj (99.8% purity)
Creator: LabE
License: https://titratelab.com/terms

Tested purity 99.8% High purity · 99.81%

Dose vs label +11.4% Over the labeled dose

Evidence Artifact captured

Test date: 2026-02-20
Testing lab: LabE
Batch / lot: (no batch ID)
Quantity: 55.7mg
Endotoxins: —
Assay method: HPLC + mass quantification + endotoxins
Test score: 5.9
Label dose: 50mg

Context

How this result compares

This GHK-Cu certificate's tested purity of 99.81% ranks higher than 48% of the 2573 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-02-20 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 46% of our catalogued GHK-Cu certificates.

Zenith Jove Peptide Zj has 60 certificates in our corpus, including 5 for GHK-Cu at a median tested purity of 99.81%.

Manufacturer

Zenith Jove Peptide Zj

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Certificate

Test report image

Certificate scan as published.

Source

Finnrick

Artifact captured

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Method: HPLC + mass quantification + endotoxins
Test type: finnrick_composite
Dose: 50mg
Container: No Label / Copper Crimp / Clear Cap
Catalogued: 2026-05-31
Artifact hash: aa937db83cb78ac2…

Saved source

Saved source document

sha256:268e5f17f08dce75… — immutable copy held by TitrateLab

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Other GHK-Cu certificates

This certificate is part of TitrateLab's community-trust corpus. See more from Zenith Jove Peptide Zj or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →