All GHK-Cu Certificate of Analysis results(2,616 COAs)
TitrateLab · Certificate of Analysis

GHK-Cu 100.0% Purity — Penguin PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.97%
Dose vs label +18.1% Over the labeled dose
Evidence Source archived
Test date
2025-05-16
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
118.14 mg
label 100mg · tested 118.14 mg
Endotoxins
Assay method
HPLC + MS
Label dose
100mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 99.97% ranks higher than 97% of the 2587 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-05-16 by Freedom Diagnostics via HPLC + MS. This test is newer than 4% of our catalogued GHK-Cu certificates.

Penguin Peptides has 58 certificates in our corpus, including 4 for GHK-Cu at a median tested purity of 99.97%.

Manufacturer
Penguin Peptides
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
100mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:99a8b178accaebf5… — immutable copy held by TitrateLab

Download the saved PDF (sha256 99a8b178acca…)
Related

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