Peptides  /  PT-141
For Adults · Compounded Peptide

PT-141

A melanocortin pathway peptide.

Bremelanotide, a melanocortin receptor agonist that acts on pathways in the central nervous system rather than on blood flow. Prescribed online after a live video visit with a licensed provider.

$249

Start your online visit →

A few private questions, then you connect to a licensed provider on a live video call — usually within seconds.

100% Online 503A Compounded Licensed Providers Discreet Shipping
ForbiddenRx PT-141 vial
At a glance
Form
Injection · Nasal spray
Cadence
Set by your provider
Class
Melanocortin receptor agonist
Guided by
Provider review
Helps with
Sexual health category
For
Adults 18+
The basics

What is PT-141?

What it is
Melanocortin receptor agonist
Forms
Injection · Nasal spray
Supplied as
Injectable 10mg · Nasal spray 50mg
Dosing
Set by your prescriber
Supply
1-month or 3-month
Visit
Live video call with a licensed provider
Prescription
Provider-reviewed · not available OTC
Shipping
Discreet, unmarked · all 50 states
Start your online visit →

PT-141 is bremelanotide, a synthetic peptide that acts as an agonist at melanocortin receptors. Unlike the PDE-5 inhibitors used for erectile dysfunction, which act on blood flow, bremelanotide acts on pathways in the central nervous system.

Bremelanotide is the active ingredient in an FDA-approved product for hypoactive sexual desire disorder in premenopausal women. The compounded preparation dispensed here is not that approved product and is not FDA-approved.

This is a compounded preparation, not an FDA-approved medication, and compounded drugs are not reviewed by the FDA for safety or effectiveness. Individual results are not guaranteed. It is prescribed only where a licensed provider determines it is appropriate after reviewing your health history.

Why people ask about it

Why does PT-141 come up?

PT-141 is discussed because it works through a different mechanism from the familiar ED medications — a central pathway rather than a vascular one. Bremelanotide has been studied in controlled trials, and one branded formulation carries an FDA approval for a specific indication in women.

✔A provider decides, not a quiz

Every PT-141 prescription here follows a live consultation with a licensed provider who sees your health history, current medications and goals. If it isn't appropriate for you, it isn't prescribed.

✔Compounded, not a research chemical

Your vial is compounded by a licensed U.S. 503A pharmacy and dispensed against a prescription written in your name — not sold as a "research only" product with no oversight.

Know the difference

Prescribed PT-141 vs. supplements and grey-market vials — what's the difference?

The short answer: unregulated supplements make claims nobody checks, "research only" vials sold online carry no prescription, no pharmacy and no accountability, and a prescribed PT-141 is compounded by a licensed 503A pharmacy against a provider's order written for you.

 Oral supplement"Research only" vialPrescribed PT-141 (Rx)
What it isAn unregulated oral precursorA vial sold without a prescriptionCompounded PT-141 dispensed on a provider's order
Licensed provider reviews youNoNoYes — before anything is dispensed
Compounded by a licensed pharmacyNoNoYes — U.S. 503A
Your name on the vialNoNoYes
Dose set by a prescriberNoNoYes
Legal to sell for human useAs a supplementNoYes — by prescription

The simplest test of any peptide seller: is your name on the vial? A "research only" label means no prescriber reviewed you, no licensed pharmacy compounded it, and nobody is accountable for what is actually inside.

How it works

How does getting PT-141 actually work?

Three steps: answer a short set of medical questions, connect straight to a licensed provider on a live video call, and if they prescribe, a 503A pharmacy compounds and ships it.

I

Answer a few questions

A short private medical questionnaire — your history, current medications and what you are hoping to address. It takes a couple of minutes.

II

Meet your provider live

You go straight onto a video call with a provider licensed in your state — no appointment, no waiting room. They review your answers with you and decide whether PT-141 is appropriate.

III

Compounded & shipped

If they prescribe, a licensed U.S. 503A pharmacy compounds your vial and ships it discreetly, with your name on the label.

Who it's for

Who is PT-141 for?

It's for adults who want PT-141 prescribed and compounded properly rather than bought from a grey market. Whether it is appropriate for you is a decision for the provider who sees you on the call.

✔Interested in the sexual-health category

PT-141 acts on central melanocortin pathways rather than on blood flow.

✔You want a real prescription

Reviewed on a live call by a licensed provider, compounded by a 503A pharmacy, dispensed with your name on it.

✔You would rather not inject

PT-141 is compounded as an injection and as a nasal spray.

✔You want the dosing decided for you

Amount and timing are set by your prescriber, not selected here.

✕When it's not the right fit

Nausea is the most frequently reported effect of bremelanotide and transient increases in blood pressure with decreases in heart rate have been observed. Tell your provider about any cardiovascular condition or blood-pressure medication. This compounded preparation is not FDA-approved. If you are pregnant or breastfeeding, have an active cancer diagnosis, or have significant kidney or liver disease, tell your provider on the call. New or unexplained symptoms should be evaluated by a clinician rather than self-treated.

How to get it

How do I get PT-141 online?

You answer a few questions, meet a licensed provider on a live video call, and — if they prescribe — your medication is compounded and shipped to your door. No insurance required, no in-person appointment, no waiting room.

A few questions

Answer a short set of private medical questions. One peptide per visit — each needs its own provider consultation.

Live video visit

You are connected to a provider licensed in your state on a video call, usually within seconds. Approval is never guaranteed.

Discreet delivery

If prescribed, your vial is compounded by a 503A pharmacy and ships in plain, unmarked packaging to all 50 states.

Pricing is shown at checkout — no insurance needed, no hidden fees.

Using it & safety

How is it taken, and is it safe?

PT-141 is compounded as injection · nasal spray. The amount and the schedule are set by the provider on your video visit — we deliberately do not publish a dosing regimen here, because that is a clinical decision about you, not a product specification.

Forms & how it's taken

Injection
Compounded as injection.
Nasal spray
Compounded as nasal spray.
Supplied as
Injectable 10mg · Nasal spray 50mg. Which one you receive is part of the prescription.
Dose & schedule
Set by your prescriber. Follow the directions on your label.
Supply
1-month or 3-month. Three months is discounted 20% on the medication.
InjectionNasal sprayInjectable 10mgNasal spray 50mgProvider-set

Safety & side effects

⚠ Nausea and blood-pressure effects are common

Nausea is the most frequently reported effect of bremelanotide and transient increases in blood pressure with decreases in heart rate have been observed. Tell your provider about any cardiovascular condition or blood-pressure medication. This compounded preparation is not FDA-approved.

Reported effects are most often related to the injection itself or to infusing too quickly. They can include:

  • Nausea
  • Flushing
  • Headache
  • Injection-site reactions
  • Transient increase in blood pressure
  • Darkening of the skin or gums with repeated use

Tell your provider about every condition and medication before starting, including pregnancy or breastfeeding. Stop and seek care for signs of an allergic reaction — rash, swelling of the face or throat, or difficulty breathing. For emergencies call 911.

Compare your options

Which peptide fits you?

A side-by-side look at other peptides available through ForbiddenRx. Which one is appropriate for you is decided by the provider who sees you on the call.

TreatmentWhat it isFocusFormForRx required
PT-141
This page		Melanocortin receptor agonistSexual health categoryInjection · Nasal sprayAdults 18+Yes
EpithalonSynthetic tetrapeptideLongevity categoryInjectionAdults 18+Yes
GHK-CuCopper tripeptideSkin & repair categoryInjection · CreamAdults 18+Yes
MOTS-cMitochondrial-derived peptideMetabolic categoryInjectionAdults 18+Yes
Questions, answered

PT-141 FAQ

What is PT-141?

PT-141 is bremelanotide, a melanocortin receptor agonist. It acts on pathways in the central nervous system rather than on blood flow, which is what distinguishes it from PDE-5 inhibitors such as sildenafil.

Is it the same as the FDA-approved product?

No. Bremelanotide is the active ingredient in an FDA-approved product for hypoactive sexual desire disorder in premenopausal women. What is dispensed here is a compounded preparation, which is not FDA-approved and is not reviewed by the FDA for safety or effectiveness.

Injection or nasal spray?

Both are compounded. Which is appropriate for you is decided by the provider on your video visit.

Do I have to book an appointment?

No. After the questionnaire you are connected to an available provider on a video call, usually within seconds — there is no scheduling step and no waiting room.

Why can I only order one peptide at a time?

Every peptide requires its own provider consultation, so each one is its own visit. Complete this visit and you can return to the peptide shop to start another.

Credibility you can verify

Care held to a higher standard

Licensed Providers

U.S. board-certified clinicians

503A Pharmacies

U.S.-based compounding partners

All 50 States

Nationwide telehealth coverage

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Category

The Peptide Catalog

Every peptide we can dispense, each prescribed by a licensed provider and compounded by a 503A pharmacy.

Learn more →

Start with a real prescription

If you are going to take PT-141, take one a licensed provider prescribed and a 503A pharmacy compounded with your name on it. Answer a few questions and you are on a call with a provider in seconds.

Start your online visit →

  • Discreet, unmarked packaging
  • Refills so you never miss a dose
  • Labs guiding every adjustment
  • Licensed providers in all 50 states
Medically reviewed

Sources & references

Medically reviewed by ForbiddenRx Medical Affairs — Independent, licensed medical providers · Last reviewed August 2026. This page was written and is periodically reviewed for medical accuracy in line with clinical guidance followed by the independent, licensed medical providers in the ForbiddenRx network. It is provided for general educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. Always talk with a licensed provider about your individual health.

  1. Kingsberg SA et al. Bremelanotide for the treatment of hypoactive sexual desire disorder. Obstetrics & Gynecology.
  2. Molinoff PB et al. PT-141: a melanocortin agonist for the treatment of sexual dysfunction. Annals of the New York Academy of Sciences.
  3. U.S. Food & Drug Administration. 503A Pharmacy Compounding — the regulatory basis for how this preparation is dispensed.
For further reading

Clinical references

This page is educational and is not medical advice.