Peptide Gurus
Tirzepatide
Finnrick tested 7 samples of Tirzepatide (GLP-1 and GIP agonist) from Peptide Gurus between 16 Mar 2025 and 27 Apr 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™
Peptide Gurus
Tirzepatide
Tested 7 Samples
Last test 27 Apr 2026
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Samples are tested in commercial labs
Tests Count
7
Scores
AVGMINMAX
Last
27 Apr 2026
First
16 Mar 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 27 Apr 2026 | View | 15mg | 15.9mg | +6.0% | 99.60% | (no batch ID) | Black Label / Silver Crimp / White Cap | Lab G | Public | |
| 25 Mar 2025 | View | 5mg | 4.11mg | -17.8% | 96.55% | (no batch ID) | No Label / Silver Crimp / White caps | Lab C | Finnrick | |
| 25 Mar 2025 | View | 5mg | 4.07mg | -18.6% | 96.73% | (no batch ID) | No Label / Silver Crimp / White caps | Lab C | Finnrick | |
| 25 Mar 2025 | View | 5mg | 4.1mg | -18.0% | 96.46% | (no batch ID) | No Label / Silver Crimp / White caps | Lab C | Finnrick | |
| 16 Mar 2025 | View | 5mg | 4.25mg | -15.0% | 99.36% | (no batch ID) | No Label / Silver Crimp / White caps | Lab A | Finnrick | |
| 16 Mar 2025 | View | 5mg | 4.12mg | -17.6% | 99.53% | (no batch ID) | No Label / Silver Crimp / White caps | Lab A | Finnrick | |
| 16 Mar 2025 | View | 5mg | 4.21mg | -15.8% | 99.39% | (no batch ID) | No Label / Silver Crimp / White caps | Lab A | Finnrick | |