TitrateLab · Certificate of Analysis

GHK-Cu 98.6% Purity — Peptide USA ExpressCertificate of Analysis · Independent third-party lab result

Tested purity 98.6% Acceptable purity · 98.62%
Dose vs label +4.2% Essentially at label
Evidence URL referenced
Test date
2026-04-26
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
104.21 mg
label 100mg · tested 104.21 mg
Endotoxins
Assay method
HPLC + MS
Label dose
100mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 98.62% ranks higher than 1% of the 2399 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-04-26 by Freedom Diagnostics via HPLC + MS. This test is newer than 69% of our catalogued GHK-Cu certificates.

Peptide USA Express has 1 certificate in our corpus, including 1 for GHK-Cu at a median tested purity of 98.62%.

Manufacturer
Peptide USA Express
View vendor profile
Source

freedom_diagnostic

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Method
HPLC + MS
Test type
freedom_composite
Dose
100mg
Catalogued
2026-07-04
Related

Other GHK-Cu certificates

All GHK-Cu results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Peptide USA Express or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →