GHK-Cu 99.3% Purity — ZepeptideCertificate of Analysis · Independent third-party lab result

Name: GHK-Cu COA — Zepeptide (99.3% purity)
Creator: LabE
License: https://titratelab.com/terms

Tested purity 99.3% High purity · 99.3%

Dose vs label +5.0% Essentially at label

Evidence Artifact captured

Test date: 2026-05-13
Testing lab: LabE
Batch / lot: TNY-CU100100-030426
Quantity: 105mg
Endotoxins: —
Assay method: HPLC + mass quantification + endotoxins
Test score: 8.6
Label dose: 100mg

Context

How this result compares

This GHK-Cu certificate's tested purity of 99.30% ranks higher than 7% of the 2580 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-05-13 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 70% 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 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 / Clear cap
Catalogued: 2026-05-31
Artifact hash: 08628abb5431eccd…

Saved source

Saved source document

sha256:b1641e5ee3e48130… — 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 Zepeptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →