Oupeptide
GHK-Cu
Finnrick tested 8 samples of GHK-Cu from Oupeptide between 14 Aug 2025 and 18 Feb 2026. Test scores average over 6, no score below 5, and at least 6 tests warrant a confident Finnrick Rating of B (Good).
Finnrick Rating™
Oupeptide
GHK-Cu
Tested 8 Samples
Last test 18 Feb 2026
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Samples are tested in commercial labs
Tests Count
8
Scores
AVGMINMAX
Last
18 Feb 2026
First
14 Aug 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 18 Feb 2026 | View | 50mg | 50.3mg | +0.6% | 99.90% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 9 Feb 2026 | View | 100mg | 113mg | +13.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 26 Jan 2026 | View | 50mg | 53.5mg | +7.0% | 99.90% | (no batch ID) | Silver Label / Silver Crimp / White Cap | Lab E | Public | |
| 19 Jan 2026 | View | 100mg | 90.1mg | -9.9% | 99.91% | (no batch ID) | White Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 6 Jan 2026 | View | 100mg | 96.1mg | -3.9% | 99.63% | (no batch ID) | No Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 10 Sep 2025 | View | 50mg | 53.4mg | +6.8% | 99.95% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 21 Aug 2025 | View | 100mg | 115mg | +15.0% | 99.94% | (no batch ID) | No Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 14 Aug 2025 | View | 50mg | 46mg | -8.0% | 99.41% | 6/2025 | White Label / Copper Crimp / Clear Cap | Lab F | Public | |