Peptide Sciences
GHK-Cu
Finnrick tested 6 samples of GHK-Cu from Peptide Sciences between 6 May 2025 and 26 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™
Peptide Sciences
GHK-Cu
Tested 6 Samples
Last test 26 Feb 2026
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Samples are tested in commercial labs
Tests Count
6
Scores
AVGMINMAX
Last
26 Feb 2026
First
6 May 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 26 Feb 2026 | View | 50mg | 54.7mg | +9.4% | 99.70% | VI620251021-50 | White Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 10 Feb 2026 | View | 50mg | 43.3mg | -13.4% | 99.80% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 20 May 2025 | View | 50mg | 52.56mg | +5.1% | 99.85% | 0000211W | White Label / Silver Crimp / Blue Cap | Lab D | Finnrick | |
| 20 May 2025 | View | 50mg | 52.46mg | +4.9% | 99.81% | 0000211W | White Label / Silver Crimp / Blue Cap | Lab D | Finnrick | |
| 6 May 2025 | View | 50mg | 42.61mg | -14.8% | 99.99% | 0000211W | White Label / Silver Crimp / Blue Cap | Lab A | Finnrick | |
| 6 May 2025 | View | 50mg | 43.12mg | -13.8% | 99.97% | 0000211W | White Label / Silver Crimp / Blue Cap | Lab A | Finnrick | |
Corrections
- 17 Nov 2025
- Test results for sample rkh8jub were published from 31 Oct to 17 Nov 2025, but did not belong to Peptide Sciences: the sample was misidentified, and re-attributed to the correct vendor.