
Qing Li Peptide
PT-141
Finnrick tested 6 samples of PT-141 (Bremelanotide) from Qing Li Peptide between 31 Jul 2025 and 18 Mar 2026. Test scores average over 7, no score below 6, and at least 6 tests warrant a confident Finnrick Rating of A (Great).
Finnrick Rating™
Qing Li Peptide
PT-141
Tested 6 Samples
Last test 18 Mar 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 Qing Li Peptide
Samples are tested in commercial labs
Tests Count
6
Scores
AVGMINMAX
Last
18 Mar 2026
First
31 Jul 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 18 Mar 2026 | View | 10mg | 11mg | +10.0% | 99.70% | October 2,2025 | White Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 2 Mar 2026 | View | 10mg | 10mg | 99.24% | Jan 2, 2026 | White Label / Silver Crimp / Blue Cap | Lab E | Public | ||
| 29 Dec 2025 | View | 10mg | 10.6mg | +6.0% | 99.95% | Oct 19, 2025 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 29 Dec 2025 | View | 10mg | 9.88mg | -1.2% | 99.95% | Jul 15, 2025 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 21 Oct 2025 | View | 5mg | 3.49mg | -30.2% | 99.95% | sep,4.2025 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 31 Jul 2025 | View | 10mg | 10.4mg | +4.0% | 99.31% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |