
PurePeptides
Tirzepatide
Finnrick tested 6 samples of Tirzepatide (GLP-1 and GIP agonist) from PurePeptides between 27 Feb 2025 and 4 Sep 2025. Test scores average over 6, no score below 5, and at least 6 tests warrant a confident Finnrick Rating of B (Good).
Finnrick Rating™
PurePeptides
Tirzepatide
Tested 6 Samples
Last test 4 Sep 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 PurePeptides
Samples are tested in commercial labs
Tests Count
6
Scores
AVGMINMAX
Last
4 Sep 2025
First
27 Feb 2025
Quantity | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
4 Sep 2025 | View | 30mg | 28.100mg | -6.3% | 99.79% | (no batch ID) | White Label / Silver Crimp / Clear Yellow Cap | Lab E | Public | |
11 Aug 2025 | View | 60mg | 65.700mg | +9.5% | 99.90% | (no batch ID) | No Label / Black Crimp / Clear Cap | Lab E | Public | |
20 Mar 2025 | View | 10mg | 11.400mg | +14.0% | 99.98% | 2024-07-23 | White Label / Silver Crimp / Clear Blue Cap | Lab B | Finnrick | |
28 Feb 2025 | View | 10mg | 11.772mg | +17.7% | 99.61% | 2024-07-23 | White Label / Silver Crimp / Clear Blue Cap | Lab C | Finnrick | |
28 Feb 2025 | View | 10mg | 11.725mg | +17.3% | 99.81% | 2024-07-23 | White Label / Silver Crimp / Clear Blue Cap | Lab C | Finnrick | |
27 Feb 2025 | View | 10mg | 11.980mg | +19.8% | 99.73% | 2024-07-23 | White Label / Silver Crimp / Clear Blue Cap | Lab A | Finnrick |