Changyuan Polypeptide
Retatrutide
Finnrick tested 4 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Changyuan Polypeptide between 15 Apr 2026 and 9 Aug 2026. Test scores average below 4 or some scores below 3, and at least 2 tests, warrant a tentative Finnrick Rating of E (Bad).
Finnrick Rating™
Tentative Rating
Changyuan Polypeptide
Retatrutide
Tested 4 Samples
Last test 9 Aug 2026
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Samples are tested in commercial labs
Tests Count
4
Scores
AVGMINMAX
Last
9 Aug 2026
First
15 Apr 2026
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 9 Aug 2026 | View | 10mg | ⚠️ Sample does not contain Retatrutide | n/a | May 18, 2026 | No label, Copper crimp, Clear cap | Lab G | Public | |||
| 4 Aug 2026 | View | 20mg | 21.8mg | +9.0% | 99.90% | not detected | (no batch ID) | No label / Silver crimp / Clear Purple cap | Lab E | Public | |
| 11 May 2026 | View | Endotoxins | 30mg | n/a | n/a | n/a | low | March 10th 2026 | No Label / Gold Crimp / Clear Cap | Lab G | Public |
| 8 May 2026 | View | 30mg | 18.3mg | -39.0% | 99.70% | n/a | March 10th 2026 | No Label / Gold Crimp / Clear Cap | Lab G | Public | |
| 15 Apr 2026 | View | 30mg | 31.1mg | +3.7% | 99.70% | n/a | (no batch ID) | No Label / Gold Crimp / Clear Cap | Lab G | Public | |