All GHK-Cu Certificate of Analysis results— 2428 COAs
TitrateLab · Certificate of Analysis

GHK-Cu 99.8% Purity — Windon LabsCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.84%
Dose vs label +14.3% Over the labeled dose
Evidence Source archived
Test date
2026-05-31
Testing lab
Freedom Diagnostics
Batch / lot
GHK50-001
Quantity
57.13 mg
label 50mg · tested 57.13 mg
Endotoxins
Assay method
HPLC + MS
Label dose
50mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 99.84% ranks higher than 54% of the 2399 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-05-31 by Freedom Diagnostics via HPLC + MS. This test is newer than 83% of our catalogued GHK-Cu certificates.

Windon Labs has 12 certificates in our corpus, including 2 for GHK-Cu at a median tested purity of 99.84%.

Manufacturer
Windon Labs
View vendor profile
Source

Freedom Diagnostic

Source archived

We archived this certificate's source document — an immutable, SHA-256-fingerprinted copy held by TitrateLab (see Saved source document below). It stays verifiable even if the upstream page disappears.

Method
HPLC + MS
Test type
freedom_composite
Dose
50mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:d9c48e90bd3851db… — immutable copy held by TitrateLab

Download the saved PDF (sha256 d9c48e90bd38…)
Related

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