M-Peptides
Retatrutide
Finnrick tested 4 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from M-Peptides between 21 Oct 2025 and 7 Jan 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
M-Peptides
Retatrutide
Tested 4 Samples
Last test 7 Jan 2026
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All Retatrutide tests from M-Peptides
Samples are tested in commercial labs
Tests Count
4
Scores
AVGMINMAX
Last
7 Jan 2026
First
21 Oct 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 7 Jan 2026 | View | 15mg | 17.8mg | 15mg | -15.5% | 99.14% | M1P5S03-10O | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 29 Oct 2025 | View | 15mg | (no batch claim) | 14.8mg | -1.3% | 99.95% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 23 Oct 2025 | View | 15mg | (no batch claim) | 15mg | 99.30% | M1P5S03-8A | No Label / Silver Crimp / Black Cap | Lab E | Public | ||
| 21 Oct 2025 | View | 15mg | (no batch claim) | 17.4mg | +16.0% | 99.70% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab G | Public | |