Shanghai ERP peptide Biotechnology
Retatrutide
Finnrick tested 18 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Shanghai ERP peptide Biotechnology between 11 Dec 2025 and 25 Mar 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 18 Samples
Last test 25 Mar 2026
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Samples are tested in commercial labs
Tests Count
18
Scores
AVGMINMAX
Last
25 Mar 2026
First
11 Dec 2025
| Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 25 Mar 2026 | View | 20mg | (no batch claim) | 10.1mg | -49.5% | 99.90% | n/a | 510004 | (no data) | Lab G | Public | |
| 25 Mar 2026 | View | 30mg | (no batch claim) | 32.8mg | +9.3% | 99.90% | n/a | 510005 | No Label / Silver Crimp / Violet Cap | Lab G | Public | |
| 10 Mar 2026 | View | 20mg | (no batch claim) | 19mg | -5.0% | 99.90% | below LOQ | 510004 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 7 Mar 2026 | View | 15mg | (no batch claim) | 17.7mg | +18.0% | 99.90% | n/a | ERP 02/2026 | White Label / Silver Crimp / Black Cap | Lab G | Public | |
| 3 Mar 2026 | View | 20mg | (no batch claim) | 23.2mg | +16.0% | 99.50% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 3 Mar 2026 | View | 12mg | (no batch claim) | 12.4mg | +3.3% | 98.22% | n/a | (no batch ID) | No Label / Silver Crimp / Purple Cap | Lab E | Public | |
| 26 Feb 2026 | View | 10mg | (no batch claim) | 10.3mg | +3.0% | 99.85% | below LOQ | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 26 Feb 2026 | View | 10mg | (no batch claim) | 9.7mg | -3.0% | 99.90% | below LOQ | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 20 Feb 2026 | View | 10mg | (no batch claim) | 8.33mg | -16.7% | 99.88% | n/a | (no batch ID) | (no data) | Lab E | Public | |
| 18 Feb 2026 | View | 20mg | (no batch claim) | 23.1mg | +15.5% | 99.89% | n/a | Rt20 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 18 Feb 2026 | View | 30mg | (no batch claim) | 19.2mg | -36.0% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 26 Jan 2026 | View | 10mg | (no batch claim) | 11mg | +10.0% | 99.80% | n/a | (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% | n/a | 635966 | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 29 Dec 2025 | View | 12mg | (no batch claim) | 12mg | 99.95% | n/a | (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% | n/a | (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% | n/a | (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% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 11 Dec 2025 | View | 12mg | (no batch claim) | 12mg | 98.30% | n/a | RT-12 | No Label / Silver Crimp / Purple Cap | Lab E | Public | ||