Peptide Crafters
Tirzepatide
Finnrick tested 5 samples of Tirzepatide (GLP-1 and GIP antagonist) from Peptide Crafters between 17 Dec 2024 and 20 Mar 2025. Test scores average over 5, no score below 4, and at least 2 tests warrant a tentative Finnrick Rating of C (Okay).
Finnrick Rating™
Peptide Crafters
Tirzepatide
Tested 5 Samples
Last test 20 Mar 2025
Take Action
Researcher
Request Full Data Access to the Finnrick database of peptide tests.
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 Tirzepatide tests from top-rated vendors:
All Tirzepatide tests from Peptide Crafters
Samples are tested in commercial labs
Tests Count
5
Scores
AVGMINMAX
Last
20 Mar 2025
First
17 Dec 2024
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 20 Mar 2025 | View | 15mg | 15.1mg | 17.680mg | +17.5% | 99.89% | PC-J-T15 | Yellow, Black, White Label / Silver Crimp / Blue Cap | Lab B | Finnrick | |
| 28 Feb 2025 | View | 15mg | 15.1mg | 18.306mg | +21.6% | 99.44% | PC-J-T15 | Yellow, Black, White Label / Silver Crimp / Blue Cap | Lab C | Finnrick | |
| 28 Feb 2025 | View | 15mg | 15.1mg | 18.423mg | +22.4% | 99.13% | PC-J-T15 | Yellow, Black, White Label / Silver Crimp / Blue Cap | Lab C | Finnrick | |
| 27 Feb 2025 | View | 15mg | 15.1mg | 19.190mg | +27.5% | 99.92% | PC-J-T15 | Yellow, Black, White Label / Silver Crimp / Blue Cap | Lab A | Finnrick | |
| 17 Dec 2024 | View | 10mg | 10.2mg | 10.970mg | +7.8% | 99.78% | PC-J-T10 | White, Black, Yellow Label / Silver Crimp / White Cap | Lab A | Finnrick | |