Peptide Sciences
Tirzepatide
Finnrick tested 10 samples of Tirzepatide (GLP-1 and GIP antagonist) from Peptide Sciences between 28 Mar 2025 and 30 Jun 2025. Test scores average over 5, no score below 4, and at least 6 tests warrant a confident Finnrick Rating of C (Okay).
Finnrick Rating™
Peptide Sciences
Tirzepatide
Tested 10 Samples
Last test 30 Jun 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 Sciences
Samples are tested in commercial labs
Tests Count
10
Scores
AVGMINMAX
Last
30 Jun 2025
First
28 Mar 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 30 Jun 2025 | View | 10mg | 8.787mg | -12.1% | 99.85% | TIR7920250409-10 | White Label / Blue Crimp / Clear Blue Cap | Lab A | Public | |
| 7 May 2025 | View | 10mg | 7.790mg | -22.1% | 98.73% | TIR7920250124-10 | White, Orange Label / Blue Crimp / Clear Blue Cap | Lab E | Finnrick | |
| 5 May 2025 | View | 10mg | 8.870mg | -11.3% | 99.24% | TIR7920250124-10 | White, Orange Label / Blue Crimp / Clear Blue Cap | Lab B | Finnrick | |
| 5 May 2025 | View | 10mg | 8.880mg | -11.2% | 99.25% | TIR7920250124-10 | White, Orange Label / Blue Crimp / Clear Blue Cap | Lab B | Finnrick | |
| 22 Apr 2025 | View | 5mg | 4.270mg | -14.6% | 99.10% | TIR7920230719-5 | White, Orange Label / Purple Crimp / Orange Cap | Lab D | Finnrick | |
| 22 Apr 2025 | View | 5mg | 4.130mg | -17.4% | 99.18% | TIR7920230719-5 | White, Orange Label / Purple Crimp / Orange Cap | Lab D | Finnrick | |
| 28 Mar 2025 | View | 5mg | 3.888mg | -22.2% | 99.81% | TIR7920230719-5 | White, Orange Label / Purple Crimp / Orange Cap | Lab C | Finnrick | |
| 28 Mar 2025 | View | 5mg | 4.290mg | -14.2% | 99.58% | TIR7920230719-5 | White, Orange Label / Purple Crimp / Orange Cap | Lab C | Finnrick | |
| 28 Mar 2025 | View | 10mg | 8.599mg | -14.0% | 99.95% | TIR7920250124-10 | White, Orange Label / Blue Crimp / Clear Blue Cap | Lab C | Finnrick | |
| 28 Mar 2025 | View | 10mg | 8.354mg | -16.5% | 99.94% | TIR7920250124-10 | White, Orange Label / Blue Crimp / Clear Blue Cap | Lab C | Finnrick | |