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

GHK-Cu 99.6% Purity — Pepguard Research LLCCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.64%
Dose vs label +1.5% Essentially at label
Evidence Source archived
Test date
2026-06-26
Testing lab
Freedom Diagnostics
Batch / lot
396226
Quantity
101.47 mg
label 100mg · tested 101.47 mg
Endotoxins
Assay method
HPLC + MS
Label dose
100mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 99.64% ranks higher than 24% of the 2399 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-06-26 by Freedom Diagnostics via HPLC + MS. This test is newer than 97% of our catalogued GHK-Cu certificates.

Pepguard Research LLC has 9 certificates in our corpus, including 1 for GHK-Cu at a median tested purity of 99.64%.

Manufacturer
Pepguard Research LLC
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

sha256:086c6d6afa874db3… — immutable copy held by TitrateLab

Download the saved PDF (sha256 086c6d6afa87…)
Related

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