
ZhuoYan lab
Retatrutide
Finnrick tested 5 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from ZhuoYan lab between 4 Aug 2025 and 21 Oct 2025. Test scores average over 5, no score below 4, and at least 2 tests warrant a tentative Finnrick Rating of C (Okay).
Finnrick Rating™
Tentative Rating
ZhuoYan lab
Retatrutide
Tested 5 Samples
Last test 21 Oct 2025
Take Action
Researcher
Request Full Data Access to the Finnrick database of peptide tests.
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 ZhuoYan lab
Samples are tested in commercial labs
Tests Count
5
Scores
AVGMINMAX
Last
21 Oct 2025
First
4 Aug 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 21 Oct 2025 | View | 10mg | 9.840mg | -1.6% | 99.67% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 9 Oct 2025 | View | 30mg | 29.000mg | -3.3% | 99.57% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 18 Sep 2025 | View | 10mg | 9.060mg | -9.4% | 99.93% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 6 Aug 2025 | View | 5mg | 5.620mg | +12.4% | 99.56% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab F | Public | |
| 4 Aug 2025 | View | 15mg | 16.970mg | +13.1% | 99.37% | (no batch ID) | No Label / Silver Crimp / Clear Cap | Lab D | Public | |