
ZhuoYan lab
GHK-Cu
Finnrick tested 5 samples of GHK-Cu from ZhuoYan lab between 17 Dec 2025 and 13 Aug 2026. Test scores average over 6, no score below 5, and at least 2 tests warrant a tentative Finnrick Rating of B (Good).
Finnrick Rating™
Tentative Rating
ZhuoYan lab
GHK-Cu
Tested 5 Samples
Last test 13 Aug 2026
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Samples are tested in commercial labs
Tests Count
5
Scores
AVGMINMAX
Last
13 Aug 2026
First
17 Dec 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 13 Aug 2026 | View | 100mg | 113.4mg | +13.4% | 99.70% | June 02, 2026 | No label, Silver crimp, Blue cap | Lab G | Public | |
| 23 Jul 2026 | View | 100mg | 86.4mg | -13.6% | 99.50% | GUC1007 | No label / Silver crimp / Clear cap | Lab E | Public | |
| 6 Mar 2026 | View | 100mg | 92.6mg | -7.4% | 99.90% | (no batch ID) | White Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 20 Feb 2026 | View | 50mg | 45.3mg | -9.4% | 99.70% | ZY1. 14-06 | No Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 17 Dec 2025 | View | 50mg | 56.1mg | +12.2% | 99.95% | (no batch ID) | Clear Label / Copper Crimp / Clear Cap | Lab E | Public | |