
PeptiSlim
GHK-Cu
Finnrick tested 6 samples of GHK-Cu from PeptiSlim between 26 Jan 2026 and 23 Apr 2026. Test scores average below 4 or some scores below 3, and at least 6 tests, warrant a confident Finnrick Rating of E (Bad).
Finnrick Rating™
PeptiSlim
GHK-Cu
Tested 6 Samples
Last test 23 Apr 2026
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Samples are tested in commercial labs
Tests Count
6
Scores
AVGMINMAX
Last
23 Apr 2026
First
26 Jan 2026
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 23 Apr 2026 | View | 99.99mg | 103.3mg | +3.3% | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 10 Mar 2026 | View | 100mg | 81.1mg | -18.9% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 22 Feb 2026 | View | 50mg | 54.8mg | +9.6% | 99.90% | n/a | (no batch ID) | White Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 19 Feb 2026 | View | 50mg | 43.4mg | -13.2% | 99.90% | low | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 4 Feb 2026 | View | 100mg | 120.8mg | +20.8% | 98.90% | n/a | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab G | Public | |
| 26 Jan 2026 | View | 100mg | 109mg | +9.0% | 99.90% | n/a | Mfg. Nov 02, 2025 | White Label / Silver Crimp / Red Cap | Lab E | Public | |