How to Use PT-141
Complete guide to PT-141 dosing, administration, timing, and protocol recommendations.
Quick Overview
PT-141, generic name bremelanotide and sold as Vyleesi, is a melanocortin peptide and a cyclic analog of alpha-MSH that works in the brain to boost sexual desire. It is genuinely FDA approved: in June 2019 it became the first on-demand treatment for acquired, generalized hypoactive sexual desire disorder (HSDD) in premenopausal women. It is also used off-label for low libido and erectile dysfunction in men.
Dosing Guidelines
Common Dose
1.75 mg as needed
Frequency
As needed, at least 45 min before activity
Dose Range
0.5-2 mg per dose
Note: FDA-approved dose is 1.75 mg. Not for daily use - max 8 doses per month. Can cause nausea and flushing.
Administration Method
Subcutaneous injection (autoinjector available)
Best Time to Take
1-2 hours before sexual activity
PT-141 (Bremelanotide) takes 45-60 minutes to work. Timing before anticipated activity is optimal.
Protocol Duration
As needed, at least 45 min before activity
Possible Side Effects
Not everyone experiences these. Individual responses vary.
- •Nausea (40% - most common)
- •Facial flushing (20%)
- •Injection site reactions
- •Headache
- •Transient blood pressure increase
Frequently Asked Questions
What is the recommended dose for PT-141?
1.75 mg as needed
How do you administer PT-141?
Subcutaneous injection (autoinjector available)
When is the best time to take PT-141?
1-2 hours before sexual activity
How long should you use PT-141?
As needed, at least 45 min before activity
This information is for educational purposes only. Always consult with a healthcare professional before using any peptide. Dosing information is based on research literature and community reports, not medical advice.