Oupeptide
Tirzepatide
Finnrick tested 12 samples of Tirzepatide (GLP-1 and GIP antagonist) from Oupeptide between 3 Jun 2025 and 5 Aug 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™
Oupeptide
Tirzepatide
Tested 12 Samples
Last test 5 Aug 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 Oupeptide
Samples are tested in commercial labs
Tests Count
12
Scores
AVGMINMAX
Last
5 Aug 2025
First
3 Jun 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 5 Aug 2025 | View | 30mg | (no batch claim) | 29.500mg | -1.7% | 99.80% | (no batch ID) | No Label / Silver Crimp / Orange Cap | Lab E | Public | |
| 25 Jul 2025 | View | 60mg | 63.3mg | 61.900mg | -2.2% | 99.80% | 2025/04/02 | No Label / Silver Crimp / Clear Red Cap | Lab E | Public | |
| 25 Jul 2025 | View | 30mg | (no batch claim) | 30.100mg | +0.3% | 99.82% | (no batch ID) | No Label / Gold Crimp / Clear Cap | Lab E | Public | |
| 9 Jul 2025 | View | 30mg | (no batch claim) | 31.810mg | +6.0% | 99.39% | (no batch ID) | No Label / Silver Crimp / Orange Cap | Lab A | Public | |
| 8 Jul 2025 | View | 10mg | (no batch claim) | 11.010mg | +10.1% | 98.98% | (no batch ID) | White Label / Silver Crimp / Yellow Cap | Lab A | Public | |
| 8 Jul 2025 | View | 30mg | (no batch claim) | 33.380mg | +11.3% | 99.61% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab A | Public | |
| 2 Jul 2025 | View | 30mg | (no batch claim) | 23.800mg | -20.7% | 99.35% | Mfgr: April 1, 2025 | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 30 Jun 2025 | View | 10mg | (no batch claim) | 8.680mg | -13.2% | 99.74% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 20 Jun 2025 | View | 30mg | (no batch claim) | 28.700mg | -4.3% | 99.83% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 20 Jun 2025 | View | 10mg | (no batch claim) | 9.640mg | -3.6% | 99.79% | (no batch ID) | No Label / Silver Crimp / Clear Yellow Cap | Lab E | Public | |
| 20 Jun 2025 | View | 15mg | (no batch claim) | 14.700mg | -2.0% | 99.80% | (no batch ID) | No Label / Silver Crimp / Clear Pink Cap | Lab E | Public | |
| 3 Jun 2025 | View | 5mg | (no batch claim) | 4.380mg | -12.4% | 99.77% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |