Zen Peptides
Tesamorelin
Finnrick tested 6 samples of Tesamorelin from Zen Peptides between 4 Nov 2025 and 19 Feb 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™
Zen Peptides
Tesamorelin
Tested 6 Samples
Last test 19 Feb 2026
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Samples are tested in commercial labs
Tests Count
6
Scores
AVGMINMAX
Last
19 Feb 2026
First
4 Nov 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 19 Feb 2026 | View | 10mg | 8.51mg | -14.9% | 98.00% | below LOQ | (no batch ID) | White Label / Silver Crimp / White Cap | Lab E | Public | |
| 15 Feb 2026 | View | 10mg | 12.6mg | +26.0% | 99.70% | n/a | TSM10 | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 19 Jan 2026 | View | 10mg | 8.97mg | -10.3% | 85.72% | n/a | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 17 Dec 2025 | View | 20mg | 19.7mg | -1.5% | 99.87% | n/a | (no batch ID) | No Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 17 Nov 2025 | View | 20mg | 25.7mg | +28.5% | 98.40% | n/a | (no batch ID) | White Label / Silver Crimp / Red Cap | Lab E | Public | |
| 4 Nov 2025 | View | 10mg | 9.78mg | -2.2% | 99.47% | n/a | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |