Zhejiang Yichenkang Biotechnology
Retatrutide
Finnrick tested 3 samples of Retatrutide (GLP-1, GIP, and GCGR antagonist) from Zhejiang Yichenkang Biotechnology between 11 Jun 2025 and 25 Jun 2025. Test scores average over 4, no score below 3, and at least 2 tests warrant a tentative Finnrick Rating of D (Poor).
Finnrick Rating™
Tentative Rating
Zhejiang Yichenkang Biotechnology
Retatrutide
Tested 3 Samples
Last test 25 Jun 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 Zhejiang Yichenkang Biotechnology
Samples are tested in commercial labs
Tests Count
3
Scores
AVGMINMAX
Last
25 Jun 2025
First
11 Jun 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 25 Jun 2025 | View | 5mg | 5.186mg | +3.7% | 99.59% | (no batch ID) | (no data) | Lab A | Finnrick | |
| 25 Jun 2025 | View | 5mg | 4.981mg | -0.4% | 99.67% | (no batch ID) | (no data) | Lab A | Finnrick | |
| 11 Jun 2025 | View | 5mg | 4.010mg | -19.8% | 99.16% | (no batch ID) | (no data) | Lab E | Finnrick | |