
Oupeptide
PT-141
Finnrick tested 3 samples of PT-141 (Bremelanotide) from Oupeptide between 24 Jul 2025 and 9 Feb 2026. Test scores average over 5, no score below 4, and at least 2 tests warrant a tentative Finnrick Rating of C (Okay).
Finnrick Rating™
Tentative Rating
Oupeptide
PT-141
Tested 3 Samples
Last test 9 Feb 2026
Take Action
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 PT-141 tests from top-rated vendors:
All PT-141 tests from Oupeptide
Samples are tested in commercial labs
Tests Count
3
Scores
AVGMINMAX
Last
9 Feb 2026
First
24 Jul 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 9 Feb 2026 | View | 10mg | 8.99mg | -10.1% | 99.90% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 17 Nov 2025 | View | 10mg | 9.65mg | -3.5% | 99.88% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 24 Jul 2025 | View | 10mg | 11.2mg | +12.0% | 99.37% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |