Finnrick - Ensuring a Safer and More Transparent Supply Chain

Free peptides test: now with paid endotoxins contamination option

Zen Peptides

Zen Peptides

GHK-Cu

Finnrick tested 4 samples of GHK-Cu from Zen Peptides between 23 Oct 2025 and 17 Dec 2025. Test scores average over 6, no score below 5, and at least 2 tests warrant a tentative Finnrick Rating of B (Good).

Finnrick Rating™
Tentative Rating
Zen Peptides
GHK-Cu
Tested 4 Samples
Last test 17 Dec 2025

Take Action

Researcher

Request Full Data Access to the Finnrick database of peptide tests.

Free peptide testing

Mail in a sample (US only) to get confidence for the specific vials you have, and contribute to identifying unsafe supply chains, so other people can avoid risky and costly mistakes.

All GHK-Cu tests from Zen Peptides

Samples are tested in commercial labs

Tests Count

4

Scores

AVG7.7MIN5.2MAX9.5

Last

17 Dec 2025

First

23 Oct 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
17 Dec 2025View5.250mg59.1mg+18.2%99.95%(no batch ID)No Label / Copper Crimp / Clear CapLab EPublic
18 Nov 2025View8.050mg51.7mg+3.4%99.95%(no batch ID)White Label / Copper Crimp / Clear CapLab EPublic
4 Nov 2025View8.0100mg105mg+5.0%99.95%(no batch ID)No Label / Silver Crimp / Clear CapLab EPublic
23 Oct 2025View9.550mg53.2mg+6.4%99.95%aug 2, 2025No Label / Silver Crimp / White Cap Lab EPublic