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

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

Tested purity 99.8% High purity · 99.78%
Dose vs label +16.2% Over the labeled dose
Evidence Source archived
Test date
2026-05-22
Testing lab
Freedom Diagnostics
Batch / lot
GHK50-0526-04
Quantity
58.10 mg
label 50mg · tested 58.10 mg
Endotoxins
Assay method
HPLC + MS
Label dose
50mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 99.78% ranks higher than 41% of the 2399 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-05-22 by Freedom Diagnostics via HPLC + MS. This test is newer than 78% of our catalogued GHK-Cu certificates.

Legacy Peptide Labs has 45 certificates in our corpus, including 4 for GHK-Cu at a median tested purity of 99.82%.

Manufacturer
Legacy Peptide 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

sha256:91edaa3005b4f4f4… — immutable copy held by TitrateLab

Download the saved PDF (sha256 91edaa3005b4…)
Related

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