Mai Peptide
GHK-Cu
Finnrick tested 8 samples of GHK-Cu from Mai Peptide between 17 Dec 2025 and 22 Feb 2026. Test scores average over 5, no score below 4, and at least 6 tests warrant a confident Finnrick Rating of C (Okay).
Finnrick Rating™
Mai Peptide
GHK-Cu
Tested 8 Samples
Last test 22 Feb 2026
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Samples are tested in commercial labs
Tests Count
8
Scores
AVGMINMAX
Last
22 Feb 2026
First
17 Dec 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 22 Feb 2026 | View | 100mg | 86mg | -14.0% | 99.90% | (no batch ID) | Silver Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 11 Feb 2026 | View | 100mg | 84.6mg | -15.4% | 99.90% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 2 Feb 2026 | View | 100mg | 73.8mg | -26.2% | 99.90% | 12/2025 | Silver Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 2 Feb 2026 | View | 50mg | 46.7mg | -6.6% | 99.90% | (no batch ID) | White Label / Silver Crimp / White Cap | Lab E | Public | |
| 6 Jan 2026 | View | 50mg | 50.3mg | +0.6% | 99.95% | CU50 | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 29 Dec 2025 | View | 100mg | 57.7mg | -42.3% | 99.95% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 29 Dec 2025 | View | 100mg | 86.5mg | -13.5% | 99.95% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 17 Dec 2025 | View | 50mg | 49mg | -2.0% | 99.95% | CU50 | No Label / Silver Crimp / Clear Cap | Lab E | Public | |