Mei Peptide
Retatrutide
Finnrick tested 4 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Mei Peptide between 5 Oct 2025 and 13 Jul 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
Mei Peptide
Retatrutide
Tested 4 Samples
Last test 13 Jul 2026
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Samples are tested in commercial labs
Tests Count
4
Scores
AVGMINMAX
Last
13 Jul 2026
First
5 Oct 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 13 Jul 2026 | View | 60mg | ⚠️ Sample does not contain Retatrutide | n/a | 202604-15-03-02 | No label / Copper crimp / White cap | Lab E | Public | |||
| 2 Jun 2026 | View | 20mg | 29mg | +45.0% | 99.90% | low | March 2,2026 | No label / Silver crimp / Violet cap | Lab E | Public | |
| 6 Mar 2026 | View | 15mg | 14.4mg | -4.0% | 99.90% | n/a | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 5 Oct 2025 | View | 20mg | 20mg | 99.69% | n/a | August 27, 2025 | No Label / Silver Crimp / Violet Cap | Lab E | Public | ||