Shanghai Leader Peptide Biotechnology
Tirzepatide
Finnrick tested 6 samples of Tirzepatide (GLP-1 and GIP agonist) from Shanghai Leader Peptide Biotechnology between 11 Feb 2026 and 2 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
Tirzepatide
Tested 6 Samples
Last test 2 Apr 2026
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Samples are tested in commercial labs
Tests Count
6
Scores
AVGMINMAX
Last
2 Apr 2026
First
11 Feb 2026
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 2 Apr 2026 | View | 20mg | 20.3mg | +1.5% | 99.70% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 10 Mar 2026 | View | 20mg | 19.4mg | -3.0% | 99.90% | 2026/03 | (no data) | Lab E | Public | |
| 4 Mar 2026 | View | 20mg | ⚠️ Sample does not contain Tirzepatide | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |||
| 2 Mar 2026 | View | 10mg | 8.62mg | -13.8% | 99.90% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 26 Feb 2026 | View | 15mg | 16mg | +6.7% | 99.90% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 11 Feb 2026 | View | 40mg | 33.2mg | -17.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |