NextechLabs
Retatrutide
Finnrick tested 8 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from NextechLabs between 14 Jan 2025 and 23 Apr 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™
NextechLabs
Retatrutide
Tested 8 Samples
Last test 23 Apr 2026
Take Action
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 NextechLabs
Samples are tested in commercial labs
Tests Count
8
Scores
AVGMINMAX
Last
23 Apr 2026
First
14 Jan 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 23 Apr 2026 | View | 10mg | (no batch claim) | 9.18mg | -8.2% | 99.90% | (no batch ID) | White Label / Blue Crimp / Clear Cap | Lab E | Public | |
| 9 Oct 2025 | View | 10mg | (no batch claim) | 10.1mg | +1.0% | 99.66% | 20240923 | White Label / Blue Crimp / Clear Cap | Lab E | Public | |
| 20 Mar 2025 | View | 10mg | (no batch claim) | 12.63mg | +26.3% | 99.75% | 20240923 | White Label / Silver Crimp / Teal Cap | Lab B | Finnrick | |
| 28 Feb 2025 | View | 10mg | (no batch claim) | 11.85mg | +18.5% | 99.62% | 20240923 | White Label / Silver Crimp / Teal Cap | Lab C | Finnrick | |
| 28 Feb 2025 | View | 10mg | (no batch claim) | 11.33mg | +13.3% | 99.66% | 20240923 | White Label / Silver Crimp / Teal Cap | Lab C | Finnrick | |
| 27 Feb 2025 | View | 10mg | (no batch claim) | 10.79mg | +7.9% | 99.91% | 20240923 | White Label / Silver Crimp / Teal Cap | Lab A | Finnrick | |
| 23 Jan 2025 | View | 10mg | 12.9mg | 12.78mg | -0.8% | 99.73% | 2024-09-23 | Blue Label / Silver Crimp / Light Blue Cap | Lab B | Finnrick | |
| 14 Jan 2025 | View | 10mg | 12.9mg | 10.82mg | -16.0% | 99.92% | 2024-09-23 | Blue Label / Silver Crimp / Light Blue Cap | Lab A | Finnrick | |