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

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

Tested purity 99.3% High purity · 99.3%

Dose vs label -17.6% Under the labeled dose

Evidence Artifact captured

Test date: 2026-05-19
Testing lab: LabE
Batch / lot: (no batch ID)
Quantity: 82.4mg
Endotoxins: below loq
Assay method: HPLC + mass quantification + endotoxins
Test score: 3.9
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 2026-05-19 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 73% of our catalogued GHK-Cu certificates.

Reta Peptide has 262 certificates in our corpus, including 29 for GHK-Cu at a median tested purity of 99.90%.

Manufacturer

Reta Peptide

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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 / Blue cap
Catalogued: 2026-05-31
Artifact hash: c4aba3ddb80e2f87…

Saved source

Saved source document

sha256:012e302837253247… — 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 Reta Peptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →