Finnrick - Ensuring a Safer and More Transparent Supply Chain
Peptide Sciences

Peptide Sciences

GHK-Cu

Finnrick tested 4 samples of GHK-Cu from Peptide Sciences between 6 May 2025 and 20 May 2025. Test scores average over 7, no score below 6, and at least 2 tests warrant a tentative Finnrick Rating of A (Great).

Finnrick Rating™
Tentative Rating
Peptide Sciences
GHK-Cu
Tested 4 Samples
Last test 20 May 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 Peptide Sciences

Samples are tested in commercial labs

Tests Count

4

Scores

AVG8.8MIN7.7MAX9.8

Last

20 May 2025

First

6 May 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
20 May 2025View9.850mg52.56mg+5.1%99.85%0000211WWhite Label / Silver Crimp / Blue CapLab DFinnrick
20 May 2025View9.850mg52.46mg+4.9%99.81%0000211WWhite Label / Silver Crimp / Blue CapLab DFinnrick
6 May 2025View7.750mg42.61mg-14.8%99.99%0000211WWhite Label / Silver Crimp / Blue CapLab AFinnrick
6 May 2025View7.850mg43.12mg-13.8%99.97%0000211WWhite Label / Silver Crimp / Blue CapLab AFinnrick

Corrections

17 Nov 2025
Test results for sample rkh8jub were published from 31 Oct to 17 Nov 2025, but did not belong to Peptide Sciences: the sample was misidentified, and re-attributed to the correct vendor.