Melanocortin receptor research
PT-141.
6 vendors · €25–62
Cyclic melanocortin-receptor agonist derived from α-MSH. The active molecule in Vyleesi (FDA-approved 2019, prescription-only for HSDD); research-peptide formulations are sold under research-use-only labelling and are not approved for human therapeutic use.
Live vendor register · grouped by strength
Every vendor. Cheapest per mg first, kits listed separately.
PT-141 · price per mg
6 listings · unflagged vendors first · Listings data last updated October 2026
Best price per mg: Direct Peptides EU 10 mg at €2.50/mg.
10 mg
5 listings01
Direct Peptides EUVID-DIRECT-P · UK network · from £21.45
10 mg
99%
HPLC badge only (no reports published)
In stock
10–14 days
€2.50/mg
€25
02
Adria ScienceVID-ADRIA-SC · SI/CZ dispatch
10 mg
99.8%
Liquilabs per-lot COA · USP<85>
In stock
Dispatch 1–3 days
€3.90/mg
€39
03
Particle PeptidesVID-PARTICLE · SK dispatch · €40.64
10 mg
99.13%
Apigenex (Prague) · batch 2025233, analysed 2025-03-19 · CLND content 8.5 mg of 10 mg, UPLC purity 99.13%, endotoxin negative, ICP-MS metals · older lot: no Liquilabs PT-141 reportApigenex · UPLC · CLND · LAL · ICP-MS · Batch 2025233 · Mar 19, 2025
In stock
2–7 days
€4.10/mg
€41
04
SwissChemsVID-SWISSCHE · US dispatch · from $49.99
10 mg
99%
HPLC · third-party COA
In stock
2–3 weeks
€4.30/mg
€43
05
PEAK_PEPTIDEVID-PEAK-PEP · AT dispatch
10 mg
99%
COA in progress (mfr ≥99%)
In stock
Dispatch 24–48 h
€6.20/mg
€62
Flagged vendors · documented, never recommended
01
CertaPeptidesVID-CERTAPEP · RO dispatch
10 mg
98%
Janoshik (selected lots)
In stock
3–7 days
€4.20/mg
€42
Long-form research guide
Reproductive Health Research. Mechanism + protocols + safety.
Melanocortin receptor pharmacology and sexual behaviour in preclinical models
Open the long-form guide for PT-141 →