Finnrick - Ensuring a Safer and More Transparent Supply Chain
Science

Science
GHK-Cu

Finnrick tested 4 samples of GHK-Cu from Science between 16 May 2025 and 20 May 2025. Test scores average over 4, no score below 3, and at least 2 tests warrant a tentative Finnrick Rating of D (Poor).

Finnrick Rating™
D
POOR
Tentative Rating
Science
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.

Other GHK-Cu tests from top-rated vendors:

All GHK-Cu tests from Science

Samples are tested in commercial labs

Tests Count

4

Scores

AVG5.7MIN3.8MAX7.6

Last

20 May 2025

First

16 May 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
20 May 2025View7.6150mg135.480mg-9.7%99.52%241023-0203White Label / Silver Crimp / Black CapLab DFinnrick
20 May 2025View7.6150mg135.400mg-9.7%99.50%241023-0203White Label / Silver Crimp / Black CapLab DFinnrick
16 May 2025View4.0150mg182.000mg+21.3%96.30%241023-0203White Label / Silver Crimp / Black CapLab EFinnrick
16 May 2025View3.8150mg199.000mg+32.7%95.96%241023-0203White Label / Silver Crimp / Black CapLab EFinnrick