Shanghai Leader Peptide Biotechnology
Retatrutide
Finnrick tested 15 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Shanghai Leader Peptide Biotechnology between 29 Dec 2025 and 13 Apr 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 Leader Peptide Biotechnology
Retatrutide
Tested 15 Samples
Last test 13 Apr 2026
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Samples are tested in commercial labs
Tests Count
15
Scores
AVGMINMAX
Last
13 Apr 2026
First
29 Dec 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 13 Apr 2026 | View | 10mg | 10.6mg | +6.0% | 99.50% | H0304 | White Label / Silver Crimp / Teal Cap | Lab G | Public | |
| 13 Apr 2026 | View | 10mg | 8.7mg | -13.0% | 99.40% | R10-00326 | No Label / Silver Crimp / Teal Cap | Lab G | Public | |
| 19 Mar 2026 | View | 15mg | 15.9mg | +6.0% | 99.90% | 01/2026 | Silver Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 16 Mar 2026 | View | 20mg | 20.9mg | +4.5% | 99.70% | 2026/03 | (no data) | Lab G | Public | |
| 13 Mar 2026 | View | 10mg | 10.2mg | +2.0% | 99.40% | 2-3677 | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 10 Mar 2026 | View | 30mg | 29.3mg | -2.3% | 99.40% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 2 Mar 2026 | View | 10mg | ⚠️ Sample does not contain Retatrutide | 12/01/26 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |||
| 26 Feb 2026 | View | 20mg | 20.1mg | +0.5% | 99.90% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 22 Feb 2026 | View | 20mg | 19.6mg | -2.0% | 99.77% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 20 Feb 2026 | View | 10mg | 9.8mg | -2.0% | 99.80% | (no batch ID) | Silver Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 11 Feb 2026 | View | 30mg | 33.7mg | +12.3% | 99.90% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 11 Feb 2026 | View | 20mg | 22.1mg | +10.5% | 99.90% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 26 Jan 2026 | View | 10mg | 11.2mg | +12.0% | 99.80% | (no batch ID) | No Label / Silver Crimp / Teal Cap | Lab E | Public | |
| 29 Dec 2025 | View | 15mg | 15.1mg | +0.7% | 99.95% | 10 | White Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 29 Dec 2025 | View | 15mg | 15.2mg | +1.3% | 99.95% | 14 | White Label / Silver Crimp / Clear Cap | Lab E | Public | |