Quingdao Sigma Chemical QSC
Retatrutide
Finnrick tested 10 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Quingdao Sigma Chemical QSC between 17 Oct 2025 and 22 Feb 2026. Test scores average over 5, no score below 4, and at least 6 tests warrant a confident Finnrick Rating of C (Okay).
Finnrick Rating™
Quingdao Sigma Chemical QSC
Retatrutide
Tested 10 Samples
Last test 22 Feb 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 Quingdao Sigma Chemical QSC
Samples are tested in commercial labs
Tests Count
10
Scores
AVGMINMAX
Last
22 Feb 2026
First
17 Oct 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 22 Feb 2026 | View | 20mg | (no batch claim) | 20.6mg | +3.0% | 99.28% | (no batch ID) | No Label / Silver Crimp / Clear Green Cap | Lab E | Public | |
| 20 Feb 2026 | View | 10mg | (no batch claim) | 14.7mg | +47.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 11 Feb 2026 | View | 45mg | (no batch claim) | 48.6mg | +8.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 26 Jan 2026 | View | 30mg | (no batch claim) | 35.6mg | +18.7% | 99.80% | YSD-102 | No Label / Silver Crimp / Green Cap | Lab G | Public | |
| 15 Jan 2026 | View | 10mg | (no batch claim) | 11.2mg | +12.0% | 99.80% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab G | Public | |
| 29 Dec 2025 | View | 10mg | 11.5mg | 10.2mg | -11.5% | 99.60% | 008-10 | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 11 Dec 2025 | View | 15mg | (no batch claim) | 14.9mg | -0.7% | 99.48% | 08/1/25 | No Label / Silver Crimp / Orange Cap | Lab E | Public | |
| 29 Oct 2025 | View | 20mg | (no batch claim) | 17.3mg | -13.5% | 98.32% | A044RTLT-20 | No Label / Silver Crimp / Clear Orange Cap | Lab E | Public | |
| 17 Oct 2025 | View | 20mg | (no batch claim) | 17mg | -15.0% | 95.99% | A044RTLT-20 | White Label / Silver Crimp / Orange Cap | Lab E | Public | |
| 17 Oct 2025 | View | 15mg | 15.7mg | 13.6mg | -13.3% | 94.62% | A043RTLT-15 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |