
Shanghai Wibson Biotechnology WBS
Retatrutide
Finnrick tested 10 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Shanghai Wibson Biotechnology WBS between 19 Jan 2026 and 2 Jun 2026. Test scores average over 5, no score below 4, and at least 6 tests warrant a confident Finnrick Rating of C (Okay).
Finnrick Rating™
Shanghai Wibson Biotechnology WBS
Retatrutide
Tested 10 Samples
Last test 2 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 Retatrutide tests from top-rated vendors:
All Retatrutide tests from Shanghai Wibson Biotechnology WBS
Samples are tested in commercial labs
Tests Count
10
Scores
AVGMINMAX
Last
2 Jun 2026
First
19 Jan 2026
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 2 Jun 2026 | View | 10mg | 9.1mg | -9.0% | 99.90% | n/a | 510002 | No label / Silver crimp / White cap | Lab E | Public | |
| 18 May 2026 | View | 60mg | 56.2mg | -6.3% | 99.80% | n/a | 510006 | (no data) | Lab G | Public | |
| 28 Apr 2026 | View | 20mg | 9.98mg | -50.1% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 28 Apr 2026 | View | 10mg | 9.63mg | -3.7% | 99.90% | below LOQ | White caps | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 23 Apr 2026 | View | 10mg | 10.7mg | +7.0% | 99.90% | n/a | 510002 | White Label / Silver Crimp / White Cap | Lab E | Public | |
| 6 Mar 2026 | View | 30mg | 29.9mg | -0.3% | 99.30% | n/a | (no batch ID) | No Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 2 Mar 2026 | View | 10mg | 10.4mg | +4.0% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 20 Feb 2026 | View | 10mg | 10.8mg | +8.0% | 99.70% | n/a | 510002 | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 22 Jan 2026 | View | 10mg | 10.9mg | +9.0% | 99.80% | n/a | (no batch ID) | White Label / Silver Crimp / White Cap | Lab G | Public | |
| 19 Jan 2026 | View | 30mg | 27.8mg | -7.3% | 99.95% | n/a | (no batch ID) | Green Label / Silver Crimp / Violet Cap | Lab E | Public | |