All GHK-Cu Certificate of Analysis results— 2462 COAs
TitrateLab · Certificate of Analysis

GHK-Cu 99.8% Purity — Prime PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.78%
Dose vs label +113.3% Over the labeled dose +89.4% vs vendor claim
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabD tested this GHK-Cu batch (4072025GK) at 99.78% purity via HPLC and mass quantification. The tested quantity of 106.65mg significantly exceeded the 50mg label, showing an 89.4% deviation. Endotoxin status is unknown, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • quantity deviation (89.4%)
  • no endotoxin test
  • older (6-12 months)
Test date
2025-05-20
Testing lab
LabD
Batch / lot
4072025GK
Quantity
106.65mg
label 50mg · tested 106.65mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
4.8
Label dose
50mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 99.78% ranks higher than 41% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-05-20 by LabD via HPLC + mass quantification + endotoxins. This test is newer than 4% of our catalogued GHK-Cu certificates.

Prime Peptides has 57 certificates in our corpus, including 6 for GHK-Cu at a median tested purity of 99.83%.

Manufacturer
Prime Peptides
View vendor profile
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.

Verify on the upstream lab
Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
50mg
Container
Black Label / Silver Crimp / Violet Cap
Catalogued
2026-04-16
Artifact hash
ad1d22deeef7b864…
Saved source

Saved source document

sha256:1f9a06c80c04b886… — immutable copy held by TitrateLab

Related

Other GHK-Cu certificates

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