Uther
GHK-Cu
Finnrick tested 4 samples of GHK-Cu from Uther between 9 Oct 2025 and 6 Nov 2025. Test scores average over 5, no score below 4, and at least 2 tests warrant a tentative Finnrick Rating of C (Okay).
Finnrick Rating™
Tentative Rating
Uther
GHK-Cu
Tested 4 Samples
Last test 6 Nov 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 Uther
Samples are tested in commercial labs
Tests Count
4
Scores
AVGMINMAX
Last
6 Nov 2025
First
9 Oct 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 6 Nov 2025 | View | 100mg | 123mg | +23.0% | 99.95% | HK1000818 | White Label / Red Crimp / Clear Blue Cap | Lab E | Public | |
| 9 Oct 2025 | View | 100mg | 138mg | +38.0% | 99.95% | (no batch ID) | No Label / Blue Crimp / Blue Cap | Lab E | Public | |
| 9 Oct 2025 | View | 50mg | 53.5mg | +7.0% | 99.94% | HK500802 | White Label / Blue Crimp / Clear Cap | Lab E | Vendor | |
| 9 Oct 2025 | View | 50mg | 53.5mg | +7.0% | 99.95% | HK500802 | White Label / Blue Crimp / Clear Cap | Lab E | Vendor | |