
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
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Samples are tested in commercial labs
Tests Count
4
Scores
AVGMINMAX
Last
17 Dec 2025
First
23 Oct 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 17 Dec 2025 | View | 50mg | 59.1mg | +18.2% | 99.95% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 18 Nov 2025 | View | 50mg | 51.7mg | +3.4% | 99.95% | (no batch ID) | White Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 4 Nov 2025 | View | 100mg | 105mg | +5.0% | 99.95% | (no batch ID) | No Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 23 Oct 2025 | View | 50mg | 53.2mg | +6.4% | 99.95% | aug 2, 2025 | No Label / Silver Crimp / White Cap | Lab E | Public | |