Biolongevity Labs
PT-141
Finnrick tested 3 samples of PT-141 (Bremelanotide) from Biolongevity Labs between 13 Jun 2025 and 12 Aug 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™
Tentative Rating
Biolongevity Labs
PT-141
Tested 3 Samples
Last test 12 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 PT-141 tests from top-rated vendors:
All PT-141 tests from Biolongevity Labs
Samples are tested in commercial labs
Tests Count
3
Scores
AVGMINMAX
Last
12 Aug 2025
First
13 Jun 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 12 Aug 2025 | View | 5mg | 5.400mg | +8.0% | 100.00% | (no batch ID) | White Label / Gold Crimp / Purple Cap | Lab G | Finnrick | |
| 26 Jun 2025 | View | 5mg | 4.022mg | -19.6% | 99.57% | (no batch ID) | White Label / Gold Crimp / Purple Cap | Lab A | Finnrick | |
| 13 Jun 2025 | View | 5mg | 4.520mg | -9.6% | 99.65% | (no batch ID) | White Label / Gold Crimp / Purple Cap | Lab F | Finnrick | |