Zhejiang Yichenkang Biotechnology
Retatrutide
Finnrick tested 11 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Zhejiang Yichenkang Biotechnology between 2 Dec 2024 and 11 Dec 2025. Test scores average over 4, no score below 3, and at least 6 tests warrant a confident Finnrick Rating of D (Poor).
Finnrick Rating™
Zhejiang Yichenkang Biotechnology
Retatrutide
Tested 11 Samples
Last test 11 Dec 2025
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Samples are tested in commercial labs
Tests Count
11
Scores
AVGMINMAX
Last
11 Dec 2025
First
2 Dec 2024
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 11 Dec 2025 | View | 10mg | 10.4mg | +4.0% | 99.62% | (no batch ID) | No Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |
| 25 Nov 2025 | View | 10mg | 9.95mg | -0.5% | 99.95% | 608040-10/23/2025 | No Label / Blue Crimp / Blue Cap | Lab E | Public | |
| 17 Oct 2025 | View | 40mg | 40.6mg | +1.5% | 99.95% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 5 Aug 2025 | View | 5mg | 5.45mg | +9.0% | 99.29% | (no batch ID) | (no data) | Lab D | Finnrick | |
| 4 Aug 2025 | View | 20mg | 18.8mg | -6.0% | 99.94% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 23 Jul 2025 | View | 5mg | 4.8mg | -4.0% | 100.00% | (no batch ID) | (no data) | Lab G | Finnrick | |
| 23 Jul 2025 | View | 5mg | 5.3mg | +6.0% | 100.00% | (no batch ID) | (no data) | Lab G | Finnrick | |
| 11 Jul 2025 | View | 5mg | ⚠️ Sample does not contain Retatrutide | (no batch ID) | (no data) | Lab E | Finnrick | |||
| 25 Jun 2025 | View | 5mg | 4.98mg | -0.4% | 99.67% | (no batch ID) | (no data) | Lab A | Finnrick | |
| 25 Jun 2025 | View | 5mg | 5.19mg | +3.8% | 99.59% | (no batch ID) | (no data) | Lab A | Finnrick | |
| 11 Jun 2025 | View | 5mg | 4.01mg | -19.8% | 99.16% | (no batch ID) | (no data) | Lab E | Finnrick | |
| 2 Dec 2024 | View | 10mg | 9.2mg | -8.0% | 99.40% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab G | Public | |