PT-141
PT-141 (Bremelanotide) is a synthetic analog of alpha-melanocyte-stimulating hormone. Research has focused on its melanocortin receptor activity, particularly MC3R and MC4R pathways.
Also known as: Bremelanotide, PT141, Vyleesi (brand)
Technical information
Molecular weight
1025.2 g/mol
Half-life
~2 hours
Sequence
Ac-Nle-cyclo(Asp-His-D-Phe-Arg-Trp-Lys)-OH
Common research doses
0.5-2 mg (research protocols)
Research areas
For research purposes only. PepAssure provides vendor information as a verification service and does not endorse or recommend any specific use. Consult qualified research protocols and institutional review boards.
Best Verified Vendors for PT-141
Ranked by PVS score — independent verification, no paid placements.
Competitive landscape
Multi-signal comparison of every verified vendor selling PT-141 — PVS, purity, CoA cadence, sentiment, and 30-day momentum.
Market overview
Aggregate signals across vendors selling PT-141
Side-by-side comparison
All verified vendors selling PT-141. Click a column header to sort. ★ marks the leader on that column.
| Vendor | PVS | Purity | CoAs | Sentiment | 30d Δ | Lab | Price |
|---|---|---|---|---|---|---|---|
| 1Blue Sky Peptide | ★83 | — | ★0 | ★82 | ★0.0 | Janoshik | $ |
Pillar leaders
Top-scoring vendor on each of the five PVS pillars
Recent purity track record
Approved community CoAs for PT-141, newest first