Shanghai ERP peptide Biotechnology
Retatrutide
Finnrick tested 10 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Shanghai ERP peptide Biotechnology between 11 Dec 2025 and 20 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™
Shanghai ERP peptide Biotechnology
Retatrutide
Tested 10 Samples
Last test 20 Feb 2026
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Samples are tested in commercial labs
Tests Count
10
Scores
AVGMINMAX
Last
20 Feb 2026
First
11 Dec 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 20 Feb 2026 | View | 10mg | (no batch claim) | 8.33mg | -16.7% | 99.88% | (no batch ID) | (no data) | Lab E | Public | |
| 18 Feb 2026 | View | 30mg | (no batch claim) | 19.2mg | -36.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 18 Feb 2026 | View | 20mg | (no batch claim) | 23.1mg | +15.5% | 99.89% | Rt20 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 26 Jan 2026 | View | 10mg | (no batch claim) | 11mg | +10.0% | 99.80% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 1 Jan 2026 | View | 20mg | 23.9mg | 21.4mg | -10.3% | 99.70% | 635966 | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 29 Dec 2025 | View | 12mg | (no batch claim) | 12mg | 99.95% | (no batch ID) | No Label / Silver Crimp / Purple Cap | Lab E | Public | ||
| 17 Dec 2025 | View | 20mg | (no batch claim) | 18.4mg | -8.0% | 99.95% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 16 Dec 2025 | View | 15mg | (no batch claim) | 16.7mg | +11.3% | 99.70% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab G | Public | |
| 11 Dec 2025 | View | 5mg | (no batch claim) | 4.55mg | -9.0% | 99.95% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 11 Dec 2025 | View | 12mg | (no batch claim) | 12mg | 98.30% | RT-12 | No Label / Silver Crimp / Purple Cap | Lab E | Public | ||