
Peptide-S
GHK-Cu
Finnrick tested 6 samples of GHK-Cu from Peptide-S between 16 Jul 2025 and 21 Aug 2025. Test scores average over 7, no score below 6, and at least 6 tests warrant a confident Finnrick Rating of A (Great).
Finnrick Rating™
Peptide-S
GHK-Cu
Tested 6 Samples
Last test 21 Aug 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 Peptide-S
Samples are tested in commercial labs
Tests Count
6
Scores
AVGMINMAX
Last
21 Aug 2025
First
16 Jul 2025
Quantity | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
21 Aug 2025 | View | 50mg | 44.400mg | -11.2% | 99.92% | (no batch ID) | White Label / Silver Crimp / Purple Cap | Lab E | Public | |
4 Aug 2025 | View | 50mg | 49.500mg | -1.0% | 99.89% | Jun 2, 2025 | No Label / Silver Crimp / Blue Cap | Lab E | Finnrick | |
4 Aug 2025 | View | 50mg | 53.200mg | +6.4% | 99.77% | May 2025 | White Label / Copper Crimp / Clear Cap | Lab E | Public | |
16 Jul 2025 | View | 50mg | 45.490mg | -9.0% | 99.79% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab F | Public | |
16 Jul 2025 | View | 50mg | 44.260mg | -11.5% | 99.78% | Jun 2, 2025 | No Label / Silver Crimp / Blue Cap | Lab F | Finnrick | |
16 Jul 2025 | View | 50mg | 45.180mg | -9.6% | 99.71% | Jun 2, 2025 | No Label / Silver Crimp / Blue Cap | Lab F | Finnrick |