
Zhuoyue Biotechnology
Tirzepatide
Finnrick tested 13 samples of Tirzepatide (GLP-1 and GIP agonist) from Zhuoyue Biotechnology between 14 Nov 2025 and 16 Jun 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™
Zhuoyue Biotechnology
Tirzepatide
Tested 13 Samples
Last test 16 Jun 2026
Take Action
Free peptide testing
Mail in a sample (US only) to get confidence for the specific vials you have, and contribute to identifying unsafe supply chains, so other people can avoid risky and costly mistakes.
Other Tirzepatide tests from top-rated vendors:
All Tirzepatide tests from Zhuoyue Biotechnology
Samples are tested in commercial labs
Tests Count
13
Scores
AVGMINMAX
Last
16 Jun 2026
First
14 Nov 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 16 Jun 2026 | View | 20mg | 17.7mg | -11.5% | 99.90% | n/a | 12/29/2025 | No label / Gold crimp / White cap | Lab E | Public | |
| 8 May 2026 | View | 15mg | 15.9mg | +6.0% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Pink Cap | Lab E | Public | |
| 2 May 2026 | View | 30mg | 59.7mg | +99.0% | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab G | Public | |
| 25 Mar 2026 | View | 10mg | 11.2mg | +12.0% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 25 Mar 2026 | View | 5mg | ⚠️ Sample does not contain Tirzepatide | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab G | Public | |||
| 4 Mar 2026 | View | 15mg | 18.6mg | +24.0% | 99.90% | n/a | (no batch ID) | White Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 4 Mar 2026 | View | 40mg | 38.4mg | -4.0% | 98.97% | n/a | (no batch ID) | White Label / Silver Crimp / Green Cap | Lab E | Public | |
| 4 Mar 2026 | View | 10mg | 10.1mg | +1.0% | 99.07% | n/a | (no batch ID) | White Label / Silver Crimp / White Cap | Lab E | Public | |
| 4 Mar 2026 | View | 40mg | 40.4mg | +1.0% | 98.18% | n/a | (no batch ID) | Silver Label / Silver Crimp / Green Cap | Lab E | Public | |
| 13 Feb 2026 | View | 40mg | 40.3mg | +0.8% | 99.90% | below LOQ | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 29 Jan 2026 | View | 30mg | 30.2mg | +0.7% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Pink Cap | Lab E | Public | |
| 19 Jan 2026 | View | 15mg | 15.3mg | +2.0% | 99.95% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 14 Nov 2025 | View | 5mg | 10.99mg | +119.8% | 99.60% | n/a | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab G | Public | |