WllyBIO
Retatrutide
Finnrick tested 14 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from WllyBIO between 3 Jul 2025 and 5 Aug 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™
WllyBIO
Retatrutide
Tested 14 Samples
Last test 5 Aug 2026
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Samples are tested in commercial labs
Tests Count
14
Scores
AVGMINMAX
Last
5 Aug 2026
First
3 Jul 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 5 Aug 2026 | View | 15mg | ⚠️ Sample does not contain Retatrutide | n/a | rt15 | No Label / Silver Crimp / Clear Cap | Lab E | Public | |||
| 15 Jun 2026 | View | 10mg | 9.44mg | -5.6% | 99.90% | below LOQ | (no batch ID) | No label / Silver crimp / Black cap | Lab E | Public | |
| 6 Jun 2026 | View | 20mg | 17.3mg | -13.5% | 99.80% | n/a | Pink Pull Off Top | White label / Silver crimp / Pink cap | Lab G | Public | |
| 6 Jun 2026 | View | 20mg | 20.2mg | +1.0% | 99.70% | n/a | March 26, 2026 | White label / Silver crimp / Blue cap | Lab G | Public | |
| 29 Dec 2025 | View | 10mg | 10.6mg | +6.0% | 99.90% | n/a | (no batch ID) | White Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |
| 4 Nov 2025 | View | 15mg | 16.1mg | +7.3% | 99.70% | n/a | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 30 Oct 2025 | View | 20mg | 22.5mg | +12.5% | 99.60% | n/a | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 17 Oct 2025 | View | 50mg | 61.7mg | +23.4% | 99.95% | n/a | (no batch ID) | White Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 17 Oct 2025 | View | 20mg | 17.2mg | -14.0% | 99.77% | n/a | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 30 Sep 2025 | View | 5mg | 4.73mg | -5.4% | 99.85% | n/a | (no batch ID) | (no data) | Lab E | Public | |
| 18 Sep 2025 | View | 10mg | 9.63mg | -3.7% | 99.89% | n/a | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 31 Aug 2025 | View | 10mg | 9.66mg | -3.4% | 99.90% | n/a | (no batch ID) | White Label / Silver Crimp / Green Cap | Lab E | Public | |
| 21 Aug 2025 | View | 10mg | 10.5mg | +5.0% | 99.94% | n/a | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 3 Jul 2025 | View | 5mg | 3.96mg | -20.8% | 99.31% | n/a | (no batch ID) | White Label / Silver Crimp / Blue Cap | Lab E | Public | |