PT-141
PT-141 (bremelanotide) is a melanocortin-receptor agonist understood for its centrally-mediated activity in the brain's arousal pathways. A physician evaluates whether it is clinically appropriate for you.
- Personalized guidance, one-on-one with your care team.
- If a physician determines it isn't the right fit, you pay nothing.
$230 / month
Same vial, shipped monthly — a lower rate for staying under continuing physician care. Skip or cancel anytime.
Cancel or pause anytime · Ships only after physician approval
You complete a secure medical intake first. A licensed U.S. physician reviews it — typically within 24 to 48 hours — and you are only charged once a physician approves your protocol. Each completed screening remains valid for 12 months. See how it works · Meet our physicians
Mechanism of action
How PT-141 works at the receptor, signaling, neural, and regulatory levels — shared to inform, never to promise an outcome. Your physician confirms what is appropriate for you.
Receptor Activation
PT-141 is a synthetic analog of alpha-melanocyte-stimulating hormone (alpha-MSH) and is understood to act as an agonist at melanocortin receptors, with emphasis on the MC4 receptor and secondary engagement of MC1R and MC3R. This binding is thought to act on central receptor populations in the brain. Receptor affinity and selectivity remain an active area of pharmacological characterization.
Cell Signaling
Melanocortin receptors are Gs-protein-coupled, and PT-141 engagement is understood to activate adenylyl cyclase and raise intracellular cyclic AMP (cAMP). This cAMP signaling, in turn, is linked to protein kinase A activity and modulation of neuronal excitability. The net intracellular cascade is understood to be the proximal step translating receptor binding into altered neural output.
Neural Activity
PT-141 is primarily characterized as a centrally acting compound, and its activity is understood to occur within hypothalamic circuitry, including regions such as the medial preoptic area that are associated with sexual motivation and arousal pathways. Melanocortin signaling in these areas is linked to the modulation of dopaminergic and oxytocinergic tone relevant to desire. Its effects are therefore framed around central nervous system signaling.
Regulatory Pathways
Beyond reproductive pathways, melanocortin signaling is understood to touch broader autonomic and homeostatic regulation, including effects on appetite, energy balance, and inflammatory tone via MC3R/MC4R. Transient cardiovascular and blood-pressure responses have been described, which is one reason physician oversight and as-needed dosing are emphasized. These systemic associations are not established therapeutic endpoints.
Built around you, never one-size-fits-all
Who it's for
A physician may consider PT-141 for adults exploring physician-supervised options in this area who prefer a centrally-mediated approach and are appropriate candidates after clinical evaluation.
What's included
Includes a 10 mg (10 mL) PT-141 vial preparation, a licensed-physician evaluation, and personalized as-needed dosing and administration guidance.
Ongoing care
Your physician stays involved beyond the first order — check-ins, dose guidance, and refills under continuing supervision.
Prescribed, compounded, supervised.
This is not a research chemical bought from an anonymous importer. Every therapy is prescribed by a licensed physician and compounded for you by a licensed U.S. pharmacy — American-made, on your order.
- Compounded by licensed U.S. pharmacies to USP standards
- Compounded by a licensed U.S. pharmacy on your prescription
- Reviewed and prescribed by U.S.-licensed physicians
- Cold-chain handling and discreet, tracked delivery
Related therapies
Begin PT-141 with a physician evaluation
One honest price, evaluation included. A licensed physician reviews your case before anything ships — with a full refund if it isn't the right fit.