Nantong Guangyuan Chemical GYC
Retatrutide
Finnrick tested 15 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Nantong Guangyuan Chemical GYC between 5 Oct 2025 and 16 Feb 2026. Test scores average over 7, no score below 6, and at least 6 tests warrant a confident Finnrick Rating of A (Great).
Finnrick Rating™
Nantong Guangyuan Chemical GYC
Retatrutide
Tested 15 Samples
Last test 16 Feb 2026
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All Retatrutide tests from Nantong Guangyuan Chemical GYC
Samples are tested in commercial labs
Tests Count
15
Scores
AVGMINMAX
Last
16 Feb 2026
First
5 Oct 2025
| Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 16 Feb 2026 | View | 10mg | 10.4mg | 10mg | -4.0% | 99.90% | n/a | 1210 (2025121210) | White Label / Silver Crimp / White Cap | Lab E | Public | |
| 11 Feb 2026 | View | 60mg | 69.5mg | 66mg | -5.0% | 99.88% | n/a | 2025091260 | No Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |
| 26 Jan 2026 | View | 20mg | 21.7mg | 20.3mg | -6.3% | 99.90% | below LOQ | 2025101220 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 26 Jan 2026 | View | 15mg | (no batch claim) | 15.2mg | +1.3% | 99.70% | n/a | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 26 Jan 2026 | View | 15mg | (no batch claim) | 15.5mg | +3.3% | 99.90% | n/a | (no batch ID) | No Label / Red Crimp / Clear Cap | Lab E | Public | |
| 26 Jan 2026 | View | 10mg | (no batch claim) | 10.7mg | +7.0% | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Clear Blue Cap | Lab G | Public | |
| 26 Jan 2026 | View | 10mg | (no batch claim) | 9.9mg | -1.0% | 99.70% | n/a | 2025121210 | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 15 Jan 2026 | View | 20mg | (no batch claim) | 21.7mg | +8.5% | 99.90% | n/a | 2025101220 | White Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 15 Jan 2026 | View | 30mg | (no batch claim) | 30.4mg | +1.3% | 99.80% | n/a | 202501230 | White Label / Silver Crimp / Violet Cap | Lab G | Public | |
| 23 Nov 2025 | View | 30mg | 34.0mg | 33mg | -2.8% | 99.90% | n/a | 2025101230 | No Label / Silver Crimp / Violet Cap | Lab G | Public | |
| 4 Nov 2025 | View | 50mg | (no batch claim) | 46.7mg | -6.6% | 99.87% | n/a | G20250750 | White Label / Green Crimp / Clear Cap | Lab E | Public | |
| 3 Nov 2025 | View | 50mg | 52.8mg | 30.19mg | -42.8% | 99.90% | n/a | G20250750 | No Label / Green Crimp / Clear Cap | Lab G | Public | |
| 30 Oct 2025 | View | 15mg | 19.9mg | 15.8mg | -20.4% | 99.80% | n/a | 20250815 | No Label / Silver Crimp / Black Cap | Lab G | Public | |
| 29 Oct 2025 | View | 15mg | 19.9mg | 14.6mg | -26.5% | 99.95% | n/a | 20250815 | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 5 Oct 2025 | View | 50mg | 52.8mg | 46.9mg | -11.1% | 99.77% | n/a | G20250750 | White Label / Green Crimp / Clear Cap | Lab E | Public | |