Zhengzhou Lan Yun Cosmetic Trading
Retatrutide
Finnrick tested 10 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Zhengzhou Lan Yun Cosmetic Trading between 7 Jan 2026 and 1 Jul 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™
Zhengzhou Lan Yun Cosmetic Trading
Retatrutide
Tested 10 Samples
Last test 1 Jul 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 Zhengzhou Lan Yun Cosmetic Trading
Samples are tested in commercial labs
Tests Count
10
Scores
AVGMINMAX
Last
1 Jul 2026
First
7 Jan 2026
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 1 Jul 2026 | View | 30mg | ⚠️ Sample does not contain Retatrutide | below LOQ | (no batch ID) | No label / Gold crimp / Clear cap | Lab E | Public | |||
| 8 Jun 2026 | View | 24mg | 25.7mg | +7.1% | 99.80% | n/a | Sept 2 2025 | White Label / Silver Crimp / Green Cap | Lab G | Public | |
| 27 May 2026 | View | 10mg | 10mg | 99.90% | n/a | 03/25/2026 | No label / Silver crimp / Yellow cap | Lab E | Public | ||
| 3 Mar 2026 | View | 10mg | 10.1mg | +1.0% | 99.50% | n/a | 01/02/2026 | (no data) | Lab E | Public | |
| 26 Feb 2026 | View | 40mg | 41.4mg | +3.5% | 95.87% | n/a | Jul 15,2025 | No Label / Silver Crimp / Clear Red Cap | Lab E | Public | |
| 26 Jan 2026 | View | 10mg | 9.7mg | -3.0% | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab G | Public | |
| 19 Jan 2026 | View | 10mg | 9.73mg | -2.7% | 97.55% | below LOQ | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 15 Jan 2026 | View | 5mg | 5mg | 99.60% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab G | Public | ||
| 7 Jan 2026 | View | 30mg | 30.6mg | +2.0% | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 7 Jan 2026 | View | 10mg | 10.1mg | +1.0% | 99.60% | n/a | Nov 2, 2025 | No Label / Silver Crimp / Yellow Cap | Lab G | Public | |