Shanghai Wibson Biotechnology WBS
Tirzepatide
Finnrick tested 7 samples of Tirzepatide (GLP-1 and GIP agonist) from Shanghai Wibson Biotechnology WBS between 9 Jun 2025 and 8 May 2026. Test scores average over 6, no score below 5, and at least 6 tests warrant a confident Finnrick Rating of B (Good).
Finnrick Rating™
Shanghai Wibson Biotechnology WBS
Tirzepatide
Tested 7 Samples
Last test 8 May 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 Shanghai Wibson Biotechnology WBS
Samples are tested in commercial labs
Tests Count
7
Scores
AVGMINMAX
Last
8 May 2026
First
9 Jun 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 8 May 2026 | View | 60mg | (no batch claim) | 59.4mg | -1.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Clear Red Cap | Lab G | Public | |
| 6 Mar 2026 | View | 60mg | (no batch claim) | 51.1mg | -14.8% | 99.90% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 19 Jan 2026 | View | 30mg | (no batch claim) | 33.5mg | +11.7% | 99.82% | (no batch ID) | Green Label / Silver Crimp / Orange Cap | Lab E | Public | |
| 28 Aug 2025 | View | 30mg | 33.1mg | 32.5mg | -1.8% | 99.95% | T30 Orange Top | No Label / Silver Crimp / Orange Cap | Lab E | Public | |
| 6 Aug 2025 | View | 30mg | (no batch claim) | 33.85mg | +12.8% | 99.89% | (no batch ID) | No Label / Silver Crimp / Orange Cap | Lab F | Public | |
| 8 Jul 2025 | View | 30mg | (no batch claim) | 34.82mg | +16.1% | 99.98% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab A | Public | |
| 9 Jun 2025 | View | 15mg | (no batch claim) | 14mg | -6.7% | 99.22% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |