
Guangzhou yunyu trading
Retatrutide
Finnrick tested 6 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Guangzhou yunyu trading between 26 Jan 2026 and 12 Aug 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™
Guangzhou yunyu trading
Retatrutide
Tested 6 Samples
Last test 12 Aug 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 Guangzhou yunyu trading
Samples are tested in commercial labs
Tests Count
6
Scores
AVGMINMAX
Last
12 Aug 2026
First
26 Jan 2026
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 12 Aug 2026 | View | 10mg | ⚠️ Sample does not contain Retatrutide | n/a | PEP-260627-0033 | White label / Silver crimp / Blue cap | Lab E | Public | |||
| 5 Aug 2026 | View | 20mg | 10.6mg | -47.0% | 51.10% | low | (no batch ID) | No label, Silver crimp, Black cap | Lab E | Public | |
| 16 Mar 2026 | View | 20mg | 19.3mg | -3.5% | 99.90% | below LOQ | (no batch ID) | No Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 10 Mar 2026 | View | 10mg | 10.7mg | +7.0% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 15 Feb 2026 | View | 10mg | 10.5mg | +5.0% | 99.60% | n/a | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab G | Public | |
| 26 Jan 2026 | View | 30mg | 30.9mg | +3.0% | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab G | Public | |