Reta-Peptide
GHK-Cu
Finnrick tested 18 samples of GHK-Cu from Reta-Peptide between 16 Jul 2025 and 4 Mar 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™
Reta-Peptide
GHK-Cu
Tested 18 Samples
Last test 4 Mar 2026
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Samples are tested in commercial labs
Tests Count
18
Scores
AVGMINMAX
Last
4 Mar 2026
First
16 Jul 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 4 Mar 2026 | View | 100mg | 111.2mg | +11.2% | 99.60% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab G | Public | |
| 20 Feb 2026 | View | 100mg | 101.5mg | +1.5% | 99.80% | Jan 3, 2026 | No Label / Silver Crimp / Red Cap | Lab G | Public | |
| 20 Feb 2026 | View | 100mg | 103mg | +3.0% | 99.83% | Dec 12, 20255 | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 11 Feb 2026 | View | 100mg | 95.8mg | -4.2% | 99.90% | (no batch ID) | No Label / Green Crimp / Clear Cap | Lab E | Public | |
| 26 Jan 2026 | View | 100mg | 117mg | +17.0% | 99.90% | NOV 8, 2025 | White Label / Silver Crimp / Red Cap | Lab E | Public | |
| 25 Nov 2025 | View | 100mg | 112mg | +12.0% | 99.64% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 25 Nov 2025 | View | 50mg | 51.6mg | +3.2% | 99.93% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 4 Nov 2025 | View | 100mg | 104mg | +4.0% | 99.95% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 27 Oct 2025 | View | 50mg | 52.22mg | +4.4% | 99.98% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab A | Public | |
| 27 Oct 2025 | View | 100mg | 104.9mg | +4.9% | 99.98% | July 15, 2025 | No Label / Silver Crimp / Red Cap | Lab A | Public | |
| 23 Oct 2025 | View | 50mg | 50.6mg | +1.2% | 99.95% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 7 Oct 2025 | View | 50mg | 37mg | -26.0% | 99.80% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 3 Oct 2025 | View | 50mg | 53.7mg | +7.4% | 99.95% | 07/15/2025 | Silver Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 25 Sep 2025 | View | 100mg | 107mg | +7.0% | 99.95% | July 15, 2025 | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 4 Sep 2025 | View | 50mg | 48.6mg | -2.8% | 99.95% | (no batch ID) | Clear Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 4 Aug 2025 | View | 50mg | 54.9mg | +9.8% | 99.88% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 4 Aug 2025 | View | 50mg | 58.3mg | +16.6% | 99.85% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 16 Jul 2025 | View | 100mg | 80.55mg | -19.4% | 99.87% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab F | Public | |