Shanghai ERP peptide Biotechnology
Retatrutide
Finnrick tested 30 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Shanghai ERP peptide Biotechnology between 11 Dec 2025 and 21 May 2026. Test scores average below 4 or some scores below 3, and at least 6 tests, warrant a confident Finnrick Rating of E (Bad).
Finnrick Rating™
Shanghai ERP peptide Biotechnology
Retatrutide
Tested 30 Samples
Last test 21 May 2026
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All Retatrutide tests from Shanghai ERP peptide Biotechnology
Samples are tested in commercial labs
Tests Count
30
Scores
AVGMINMAX
Last
21 May 2026
First
11 Dec 2025
| Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 21 May 2026 | View | 30mg | (no batch claim) | 30.9mg | +3.0% | 99.90% | n/a | 510005 | No label / Silver crimp / Violet cap | Lab E | Public | |
| 20 May 2026 | View | 20mg | (no batch claim) | 23.3mg | +16.5% | 99.90% | below LOQ | ERP 3/26 | White label / Silver crimp / Blue cap | Lab E | Public | |
| 18 May 2026 | View | 60mg | (no batch claim) | 59.8mg | -0.3% | 99.80% | n/a | 510006 | Silver label / Silver crimp / Orange cap | Lab G | Public | |
| 15 May 2026 | View | 30mg | (no batch claim) | 35mg | +16.7% | 99.70% | n/a | (no batch ID) | No Label / Silver Crimp / Clear Cap | Lab G | Public | |
| 15 May 2026 | View | 10mg | (no batch claim) | 11mg | +10.0% | 99.60% | n/a | 510002 | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 8 May 2026 | View | 60mg | (no batch claim) | 58.4mg | -2.7% | 99.90% | n/a | ERP 4/2026 | White Label / Silver Crimp / Orange Cap | Lab E | Public | |
| 30 Apr 2026 | View | 15mg | ⚠️ Sample does not contain Retatrutide | n/a | (no batch ID) | No Label / Silver Crimp / White Cap | Lab G | Public | ||||
| 28 Apr 2026 | View | 20mg | (no batch claim) | 19.2mg | -4.0% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 28 Apr 2026 | View | 30mg | 36.2mg | 31.2mg | -13.7% | 99.90% | n/a | 635966 | White Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 27 Apr 2026 | View | 20mg | (no batch claim) | 19.4mg | -3.0% | 99.70% | n/a | RT-20 | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 23 Apr 2026 | View | 20mg | (no batch claim) | 10.7mg | -46.5% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 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 | |
| 18 Mar 2026 | View | 30mg | (no batch claim) | 29.8mg | -0.7% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Pink Cap | Lab E | 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 | ||