
Yimei
Retatrutide
Finnrick tested 40 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Yimei between 20 Jun 2025 and 7 Mar 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™
Yimei
Retatrutide
Tested 40 Samples
Last test 7 Mar 2026
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 Yimei
Samples are tested in commercial labs
Tests Count
40
Scores
AVGMINMAX
Last
7 Mar 2026
First
20 Jun 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 7 Mar 2026 | View | 15mg | 15.6mg | +4.0% | 99.70% | (no batch ID) | White Label / Silver Crimp / Red Cap | Lab G | Public | |
| 4 Mar 2026 | View | 10mg | 10.8mg | +8.0% | 99.60% | (no batch ID) | No Label / Blue Crimp / Clear Cap | Lab G | Public | |
| 4 Mar 2026 | View | 5mg | 4.84mg | -3.2% | 99.90% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 4 Mar 2026 | View | 10mg | 10.1mg | +1.0% | 99.90% | (no batch ID) | No Label / Blue Crimp / Clear Cap | Lab E | Public | |
| 3 Mar 2026 | View | 10mg | 8.76mg | -12.4% | 98.54% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 3 Mar 2026 | View | 50mg | 48mg | -4.0% | 99.53% | 900-50 | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 2 Mar 2026 | View | 10mg | 10.2mg | +2.0% | 99.86% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 2 Mar 2026 | View | 15mg | 14.2mg | -5.3% | 99.86% | 900-15 | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 1 Mar 2026 | View | 10mg | 9.4mg | -6.0% | 99.70% | 900-100 | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 26 Feb 2026 | View | 10mg | 12.6mg | +26.0% | 97.93% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 26 Feb 2026 | View | 10mg | 9.57mg | -4.3% | 99.90% | (no batch ID) | No Label / Blue Crimp / Clear Cap | Lab E | Public | |
| 26 Feb 2026 | View | 10mg | 9.59mg | -4.1% | 93.98% | (no batch ID) | (no data) | Lab E | Public | |
| 22 Feb 2026 | View | 20mg | 21.2mg | +6.0% | 99.66% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 22 Feb 2026 | View | 5mg | 5.06mg | +1.2% | 99.82% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 22 Feb 2026 | View | 50mg | 48.3mg | -3.4% | 99.90% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 20 Feb 2026 | View | 10mg | ⚠️ Sample does not contain Retatrutide | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |||
| 20 Feb 2026 | View | 10mg | 17mg | +70.0% | 99.70% | (no batch ID) | White Label / Silver Crimp / Red Cap | Lab G | Public | |
| 20 Feb 2026 | View | 10mg | 8.93mg | -10.7% | 99.90% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 20 Feb 2026 | View | 10mg | 9.37mg | -6.3% | 99.90% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 20 Feb 2026 | View | 10mg | 9.9mg | -1.0% | 99.60% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 18 Feb 2026 | View | 30mg | 33.9mg | +13.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 16 Feb 2026 | View | 10mg | 9.94mg | -0.6% | 99.90% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 16 Feb 2026 | View | 5mg | 5.38mg | +7.6% | 99.90% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 16 Feb 2026 | View | 10mg | 13.2mg | +32.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 13 Feb 2026 | View | 10mg | 13.2mg | +32.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 10 Feb 2026 | View | 10mg | 10.8mg | +8.0% | 99.60% | 900-10 | No Label / Blue Crimp / Clear Cap | Lab G | Public | |
| 4 Feb 2026 | View | 5mg | 5.52mg | +10.4% | 99.90% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 4 Feb 2026 | View | 5mg | 5mg | 99.30% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab G | Public | ||
| 29 Jan 2026 | View | 20mg | 20.4mg | +2.0% | 99.44% | 900-20 | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 26 Jan 2026 | View | 10mg | 8.9mg | -11.0% | 99.80% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 26 Jan 2026 | View | 10mg | 10.4mg | +4.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 26 Jan 2026 | View | 10mg | 10.2mg | +2.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 7 Jan 2026 | View | 10mg | 10.7mg | +7.0% | 99.95% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 30 Dec 2025 | View | 10mg | 12.1mg | +21.0% | 99.83% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 23 Dec 2025 | View | 10mg | 12mg | +20.0% | 99.93% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 25 Nov 2025 | View | 10mg | 9.96mg | -0.4% | 99.95% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 25 Nov 2025 | View | 20mg | 21.7mg | +8.5% | 99.95% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 18 Nov 2025 | View | 30mg | 27mg | -10.0% | 99.82% | 900-30 | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 23 Oct 2025 | View | 20mg | 24.1mg | +20.5% | 99.95% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 20 Jun 2025 | View | 10mg | 11.3mg | +13.0% | 99.82% | (no batch ID) | No Label / Blue Crimp / Clear Cap | Lab E | Public | |