Vendor review
Changyuan Polypeptide reviews
Changyuan Polypeptide reviews from 8 independent lab tests (Retatrutide and Tirzepatide): grade A, purity and fill accuracy. Is Changyuan Polypeptide legit? See what its vials showed.
What the lab tests show
8 tests on record, newest first. Scores are purity divided by ten.
| Date | Product | Purity | Quantity | Identity | Certificate |
|---|---|---|---|---|---|
| Aug 9, 2026 | Retatrutide | 10 mg | Fail | View | |
| Aug 4, 2026 | Retatrutide | 99.9 % | 21.8 mg of 20 mg (9 %) | Pass | View |
| Jun 26, 2026 | Tirzepatide | 30 mg | Fail | View | |
| Jun 26, 2026 | Tirzepatide | 30 mg | View | ||
| May 11, 2026 | Retatrutide | 30 mg | View | ||
| May 8, 2026 | Retatrutide | 99.7 % | 18.3 mg of 30 mg (-39 %) | Pass | View |
| Apr 15, 2026 | Retatrutide | 99.7 % | 31.1 mg of 30 mg (4 %) | Pass | View |
| Apr 15, 2026 | Tirzepatide | 99.6 % | 30.7 mg of 30 mg (2 %) | Pass | View |
What Changyuan Polypeptide sells
No current listings on record.
About Changyuan Polypeptide
Finnrick has tested 8 samples from Changyuan Polypeptide across 2 products.