HK Peptides
GHK-Cu
Finnrick tested 34 samples of GHK-Cu from HK Peptides between 16 Jul 2025 and 26 Feb 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™
HK Peptides
GHK-Cu
Tested 34 Samples
Last test 26 Feb 2026
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Samples are tested in commercial labs
Tests Count
34
Scores
AVGMINMAX
Last
26 Feb 2026
First
16 Jul 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 26 Feb 2026 | View | 100mg | 110mg | +10.0% | 99.90% | CU100 | No Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 22 Feb 2026 | View | 100mg | 107mg | +7.0% | 99.90% | Clear Lid CU100 | No Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 22 Feb 2026 | View | 50mg | 56.8mg | +13.6% | 99.90% | Cu50 clear cap | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 20 Feb 2026 | View | 50mg | 53.6mg | +7.2% | 99.90% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 18 Feb 2026 | View | 100mg | 102mg | +2.0% | 99.90% | CU100 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 18 Feb 2026 | View | 10mg | 60.5mg | +505.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Clear Yellow Cap | Lab E | Public | |
| 11 Feb 2026 | View | 50mg | 51.4mg | +2.8% | 99.90% | CU50 | No Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 11 Feb 2026 | View | 100mg | 93.5mg | -6.5% | 99.90% | (no batch ID) | White Label / Silver Crimp / Red Cap | Lab E | Public | |
| 9 Feb 2026 | View | 50mg | 55.1mg | +10.2% | 99.90% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 9 Feb 2026 | View | 100mg | 121mg | +21.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 2 Feb 2026 | View | 50mg | 49.2mg | -1.6% | 99.90% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 2 Feb 2026 | View | 50mg | 54.8mg | +9.6% | 99.90% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 26 Jan 2026 | View | 50mg | 62.9mg | +25.8% | 99.90% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 26 Jan 2026 | View | 50mg | 42.4mg | -15.2% | 99.90% | (no batch ID) | White Label / Silver Crimp / White Cap | Lab E | Public | |
| 26 Jan 2026 | View | 100mg | 155mg | +55.0% | 99.90% | CU 100 | White Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 19 Jan 2026 | View | 50mg | 47.9mg | -4.2% | 99.95% | cu50 | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 19 Jan 2026 | View | 50mg | 54mg | +8.0% | 99.95% | (no batch ID) | White Label / Silver Crimp / White Cap | Lab E | Public | |
| 19 Jan 2026 | View | 100mg | 92.9mg | -7.1% | 99.95% | (no batch ID) | Green Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 19 Jan 2026 | View | 50mg | 42.2mg | -15.6% | 99.95% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 6 Jan 2026 | View | 50mg | 50.5mg | +1.0% | 99.71% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 6 Jan 2026 | View | 50mg | 52mg | +4.0% | 99.95% | CU50CLEAR102025 | Silver Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 17 Dec 2025 | View | 100mg | 108mg | +8.0% | 99.95% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 17 Dec 2025 | View | 50mg | 57.7mg | +15.4% | 99.95% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 17 Dec 2025 | View | 100mg | 122mg | +22.0% | 99.95% | (no batch ID) | No Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 6 Dec 2025 | View | 50mg | 58.7mg | +17.4% | 99.84% | (no batch ID) | Gray Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 17 Nov 2025 | View | 50mg | 53.8mg | +7.6% | 99.95% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 6 Nov 2025 | View | 50mg | ⚠️ Sample does not contain GHK-Cu | August Blue Cap | No Label / Silver Crimp / Blue Cap | Lab E | Public | |||
| 23 Oct 2025 | View | 50mg | 48.8mg | -2.4% | 99.52% | (no batch ID) | White Label / Silver Crimp / Clear Teal Cap | Lab E | Public | |
| 21 Oct 2025 | View | 50mg | 53.6mg | +7.2% | 99.95% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 18 Sep 2025 | View | 50mg | 55.4mg | +10.8% | 99.80% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 4 Aug 2025 | View | 50mg | 69.77mg | +39.5% | 99.99% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab D | Finnrick | |
| 4 Aug 2025 | View | 50mg | 56.9mg | +13.8% | 99.79% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Finnrick | |
| 4 Aug 2025 | View | 50mg | 58.4mg | +16.8% | 99.87% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Finnrick | |
| 16 Jul 2025 | View | 100mg | 83.76mg | -16.2% | 99.89% | (no batch ID) | White Label / Silver Crimp / Blue Cap | Lab F | Public | |