Zztai Peptide
Retatrutide
Finnrick tested 9 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Zztai Peptide between 9 Jun 2025 and 7 Jan 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™
Zztai Peptide
Retatrutide
Tested 9 Samples
Last test 7 Jan 2026
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Samples are tested in commercial labs
Tests Count
9
Scores
AVGMINMAX
Last
7 Jan 2026
First
9 Jun 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 7 Jan 2026 | View | 10mg | 9.7mg | -3.0% | 99.70% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab G | Public | |
| 16 Dec 2025 | View | 10mg | 10.3mg | +3.0% | 99.70% | June 5, 2025 | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 18 Sep 2025 | View | 10mg | 9.2mg | -8.0% | 99.94% | (no batch ID) | No Label / Gold Crimp / Clear Cap | Lab E | Public | |
| 4 Sep 2025 | View | 10mg | 9.92mg | -0.8% | 96.63% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 11 Aug 2025 | View | 10mg | 8.95mg | -10.5% | 99.90% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 4 Aug 2025 | View | 5mg | 5.02mg | +0.4% | 99.95% | (no batch ID) | No Label / Silver Crimp / Clear Cap | Lab E | Public | |
| 4 Aug 2025 | View | 30mg | 28.8mg | -4.0% | 99.63% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 4 Aug 2025 | View | 10mg | 8.76mg | -12.4% | 99.75% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 9 Jun 2025 | View | 20mg | 20.1mg | +0.5% | 99.77% | (no batch ID) | No Label / Gold Crimp / Clear Cap | Lab E | Public | |