PT-141
Bremelanotide · Vyleesi
A melanocortin receptor agonist approved as Vyleesi for hypoactive sexual desire disorder in premenopausal women.
At a glance
- Category
- Sexual Health
- Half-life
- ~2.7 hours
- Typical vial sizes
- 5 mg · 10 mg
- Commonly cited dose
- 500–1750 mcg
- Frequency
- as needed, not more than once daily
- Routes
- Subcutaneous · Intranasal
A 5 mg vial, worked through.
Reconstituting a 5 mg vial of PT-141 with 2 mL of bacteriostatic water gives 2.5 mg/mL. A 500 mcg dose is then:
Storage
- Lyophilised (unmixed)
- Refrigerated, protected from light.
- Reconstituted
- Refrigerate at 2–8°C.
What people log it against
Outcomes users commonly track alongside this compound. Listing them is not a claim that it produces them.
- Libido tracking (approved indication for Vyleesi)
References
The figures on this page have not yet been verified against primary literature. Treat them as provisional and confirm against a primary source before relying on them.
Run your own numbers
Pick PT-141 from the preset list to start from a typical vial.
As printed on the vial label
How much you inject into the vial
1000 mcg = 1 mg
Fills in a common vial size and the low end of commonly cited protocols. Always check against your own vial.
on a 1 mL U-100 insulin syringe
- Concentration
- 5 mg/mL
- Volume
- 0.05 mL
- Doses in this vial
- 40
VialPal does the arithmetic — it does not tell you what to take. Dose decisions belong between you and a qualified clinician.