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    PT-141 (Bremelanotide) Dosage Guide: Protocols, Calculator & Safety

    Everything you need to know about PT-141 (Bremelanotide) dosing — protocols, safety, and where to buy.

    Dose Range

    500–2,000 mcg (0.5–2 mg) per dose

    Frequency

    As needed, 45 minutes before sexual activity; max once per 24 hours, max 8 doses/month

    Cycle Length

    As needed (not a cycle-based peptide)

    Half-Life

    ~2 hours

    Administration Routes

    Subcutaneous

    Quick Reconstitution Calculator

    Calculate syringe units instantly

    Syringe Draw

    10.0 units

    2500 mcg/ml · 0.100 ml draw

    Full Tool

    Dosing Protocols

    Beginner
    500 mcg subcutaneous injection 45 minutes before activity. Assess response.
    Standard
    1 mg subcutaneous 45 minutes before activity.
    Advanced
    1.75 mg subcutaneous (FDA-approved dose). Do not exceed 1 dose per 24 hours.

    Weight-Based Dosing

    FDA dose is fixed at 1.75 mg regardless of weight.

    Commonly Stacked With

    Used independently — not typically stacked. Some use Melanotan II at sub-tanning doses for a similar effect, though PT-141 has better selectivity.

    Side Effects & Safety

    Nausea, flushing, headache. Rare: transient increases in blood pressure, nasal congestion. Women may experience increased vaginal lubrication.

    Contraindications

    Uncontrolled hypertension. Cardiovascular disease. Concurrent use of PDE5 inhibitors (Viagra/Cialis) — risk of hypotension. Pregnancy or breastfeeding.

    Check interactions with the Interaction Checker →

    Additional Notes

    FDA-approved as Vyleesi® for premenopausal women with HSDD. Used off-label in men. Inject 45 minutes before anticipated activity. Nausea is common — consider anti-nausea medication. Do NOT use more than 8 doses per month. Avoid in uncontrolled hypertension.

    Where to Buy PT-141 (Bremelanotide)

    Compare 5 listings across 4 vendors — from $29.99

    Frequently Asked Questions

    What is the recommended PT-141 (Bremelanotide) dosage?

    The typical dose range for PT-141 (Bremelanotide) is 500–2,000 mcg (0.5–2 mg) per dose. It is usually administered As needed, 45 minutes before sexual activity; max once per 24 hours, max 8 doses/month. Always start with the lowest effective dose.

    How often should I take PT-141 (Bremelanotide)?

    As needed, 45 minutes before sexual activity; max once per 24 hours, max 8 doses/month

    Does PT-141 (Bremelanotide) need to be cycled?

    Yes, typical cycle length is As needed (not a cycle-based peptide).

    What are PT-141 (Bremelanotide) side effects?

    Nausea, flushing, headache. Rare: transient increases in blood pressure, nasal congestion. Women may experience increased vaginal lubrication.

    Where can I buy PT-141 (Bremelanotide)?

    Compare 5 listings from 4 vendors on our price comparison page — starting from $29.99.

    PT-141 (Bremelanotide) Full Profile

    Research data, mechanisms, and pricing

    Interaction Checker

    Check drug & compound interactions

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