Marvel Peptide
Retatrutide
Finnrick tested 10 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Marvel Peptide between 16 Dec 2025 and 2 Jun 2026. Test scores average over 7, no score below 6, and at least 6 tests warrant a confident Finnrick Rating of A (Great).
Finnrick Rating™
Marvel Peptide
Retatrutide
Tested 10 Samples
Last test 2 Jun 2026
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Samples are tested in commercial labs
Tests Count
10
Scores
AVGMINMAX
Last
2 Jun 2026
First
16 Dec 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 2 Jun 2026 | View | 10mg | 9.79mg | -2.1% | 99.90% | below LOQ | 258013 | No label / Silver crimp / White cap | Lab E | Public | |
| 2 Apr 2026 | View | 20mg | 20.4mg | +2.0% | 99.60% | n/a | feb 5, 2026 | Gray Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 7 Mar 2026 | View | 20mg | 21.7mg | +8.5% | 99.80% | n/a | 021526 | No Label / Silver Crimp / Clear Green Cap | Lab G | Public | |
| 18 Feb 2026 | View | 20mg | 17.6mg | -12.0% | 99.90% | n/a | (no batch ID) | No Label / Gold Crimp / Clear Cap | Lab E | Public | |
| 11 Feb 2026 | View | 10mg | 10.6mg | +6.0% | 99.90% | n/a | Marv2510220131 | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 4 Feb 2026 | View | 20mg | 20.2mg | +1.0% | 99.70% | n/a | Tr20-111 | No Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 26 Jan 2026 | View | 20mg | 20.4mg | +2.0% | 99.70% | n/a | (no batch ID) | No Label / Gold Crimp / Clear Cap | Lab E | Public | |
| 26 Jan 2026 | View | 30mg | 28mg | -6.7% | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Clear Blue Cap | Lab G | Public | |
| 23 Dec 2025 | View | 10mg | 10.8mg | +8.0% | 99.83% | not detected | Nov 2, 2025 | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 16 Dec 2025 | View | 10mg | 9.8mg | -2.0% | 99.70% | n/a | (no batch ID) | (no data) | Lab G | Public | |