Maddox Research
Retatrutide
Finnrick tested 4 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Maddox Research between 19 Mar 2026 and 6 Jun 2026. Test scores average below 4 or some scores below 3, and at least 2 tests, warrant a tentative Finnrick Rating of E (Bad).
Finnrick Rating™
Tentative Rating
Maddox Research
Retatrutide
Tested 4 Samples
Last test 6 Jun 2026
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Samples are tested in commercial labs
Tests Count
4
Scores
AVGMINMAX
Last
6 Jun 2026
First
19 Mar 2026
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 6 Jun 2026 | View | 10mg | 10.4mg | +4.0% | 99.70% | 030126 | White label / Silver crimp / Clear Blue cap | Lab G | Public | |
| 1 Jun 2026 | View | 20mg | 15.5mg | -22.5% | 99.90% | (no batch ID) | No label / Silver crimp / Violet cap | Lab E | Public | |
| 6 May 2026 | View | 10mg | ⚠️ Sample does not contain Retatrutide | March 1, 2026 | White Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |||
| 19 Mar 2026 | View | 10mg | 9.44mg | -5.6% | 99.90% | Janvier/01/2028 | No Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |