Royal Peptides
Retatrutide
Finnrick tested 10 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Royal Peptides between 16 Mar 2025 and 11 Feb 2026. Test scores average over 5, no score below 4, and at least 6 tests warrant a confident Finnrick Rating of C (Okay).
Finnrick Rating™
Royal Peptides
Retatrutide
Tested 10 Samples
Last test 11 Feb 2026
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Samples are tested in commercial labs
Tests Count
10
Scores
AVGMINMAX
Last
11 Feb 2026
First
16 Mar 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 11 Feb 2026 | View | 5mg | 5.37mg | +7.4% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 29 Jan 2026⚠️ | View | 23mg | 11.4mg | -50.4% | 99.95% | below LOQ | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 19 Jan 2026 | View | 10mg | 10.9mg | +9.0% | 99.95% | n/a | RP-RET10-1125 | Blue Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |
| 21 Oct 2025 | View | 10mg | 9.69mg | -3.1% | 99.38% | n/a | June 2 2025 | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 26 Mar 2025 | View | 10mg | 10.17mg | +1.7% | 98.93% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab C | Finnrick | |
| 26 Mar 2025 | View | 10mg | 10.14mg | +1.4% | 98.86% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab C | Finnrick | |
| 26 Mar 2025 | View | 10mg | 10.2mg | +2.0% | 98.78% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab C | Finnrick | |
| 16 Mar 2025 | View | 10mg | 9.76mg | -2.4% | 99.71% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab A | Finnrick | |
| 16 Mar 2025 | View | 10mg | 9.75mg | -2.5% | 99.72% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab A | Finnrick | |
| 16 Mar 2025 | View | 10mg | 9.61mg | -3.9% | 99.71% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab A | Finnrick | |