PT-141(Bremelanotide)
We've tested 82 samples of PT-141 sourced from 25 vendors between 16 Mar 2025 and 19 Jan 2026. Purity varies from 89.13% to 100.00%, and quantity can diverge by up to +/-100% vs advertised value.
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Vendors
| Tests | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Vendor | Rating | Count | Avg | Min | Max | Oldest | Most Recent | ||
 | 6 | 7 May 2025 | 12 Aug 2025 | ||||||
 | 6 | 6 Aug 2025 | 19 Aug 2025 | ||||||
 | 2 | 3 Oct 2025 | 3 Oct 2025 | ||||||
 | 2 | 9 Oct 2025 | 9 Oct 2025 | ||||||
 | 4 | 13 Jun 2025 | 11 Aug 2025 | ||||||
 | 2 | 16 Mar 2025 | 16 Mar 2025 | ||||||
 | 4 | 31 Jul 2025 | 29 Dec 2025 | ||||||
 | 3 | 25 Apr 2025 | 7 May 2025 | ||||||
| 5 | 1 Sep 2025 | 23 Oct 2025 | ||||||
 | 4 | 16 Mar 2025 | 7 May 2025 | ||||||
| 4 | 19 Aug 2025 | 25 Nov 2025 | ||||||
 | 2 | 7 May 2025 | 7 May 2025 | ||||||
 | 2 | 21 May 2025 | 21 May 2025 | ||||||
 | 3 | 25 Apr 2025 | 7 May 2025 | ||||||
| 5 | 31 Aug 2025 | 15 Jan 2026 | ||||||
 | 2 | 13 Jun 2025 | 12 Aug 2025 | ||||||
 | 4 | 7 May 2025 | 21 May 2025 | ||||||
 | 3 | 13 Jun 2025 | 12 Aug 2025 | ||||||
 | 4 | 13 Jun 2025 | 4 Aug 2025 | ||||||
 | 2 | 7 May 2025 | 7 May 2025 | ||||||
 | 3 | 16 Mar 2025 | 16 Mar 2025 | ||||||
 | 2 | 26 Jun 2025 | 29 Jun 2025 | ||||||
| 4 | 25 Sep 2025 | 17 Dec 2025 | ||||||
 | 1 | 24 Jul 2025 | 24 Jul 2025 | ||||||
 | 1 | 16 Mar 2025 | 16 Mar 2025 | ||||||
Most recent PT-141 tests
Samples are tested in commercial labs
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Vendor | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 15 Jan 2026 | Reta-Peptide | View | 10mg | 8mg | -20.0% | 99.70% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab G | Public | |
| 29 Dec 2025 | Qing Li Peptide | View | 10mg | 10.6mg | +6.0% | 99.95% | Oct 19, 2025 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 29 Dec 2025 | Reta-Peptide | View | 10mg | 10.7mg | +7.0% | 99.95% | (no batch ID) | White Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 29 Dec 2025 | Qing Li Peptide | View | 10mg | 9.88mg | -1.2% | 99.95% | Jul 15, 2025 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 17 Dec 2025 | LiliPeptide | View | 10mg | ⚠️ Sample does not contain PT-141 | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |||
| 25 Nov 2025 | LiliPeptide | View | 10mg | 10.1mg | +1.0% | 99.21% | 10-2-25 | White Label / Silver Crimp / Red Cap | Lab E | Public | |
| 25 Nov 2025 | Reta-Peptide | View | 10mg | 8.47mg | -15.3% | 99.45% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |