Description
Desira Pen Bremelanotide PT-141 20 mg SunSci Pharmaceutical — Backed by a rigorous commitment to quality, a synthetic analog of alpha-melanocyte stimulating hormone (α-MSH) that produces skin darkening (tanning) without UV exposure. It also has notable effects on libido enhancement and appetite suppression. PT-141 (Bremelanotide) is a derivative focused specifically on sexual function enhancement. This formulation is dosed at 20 mg per pre-filled pen.
Key Benefits
- Synthetic melanocortin agonist — MC3/MC4R selective
- On-demand libido enhancement without cardiovascular effect
- Subcutaneous injection 45 minutes before desired effect
- Approved (Vyleesi) for female hypoactive sexual desire disorder
- Off-label male use for sexual function enhancement
- Each unit dosed at 20 mg — see Recommended Dosage below for protocol-specific intake
Recommended Dosage
Clinical dosing: 1.75 mg SubQ 45 minutes before anticipated sexual activity. Maximum 1 dose per 24 hours, 8 doses per month. Research/male protocols: 1–2 mg SubQ as needed.
How It Works
Synthetic cyclic peptide, MC3/MC4 receptor agonist. Acts centrally on brain melanocortin pathways to enhance libido and sexual response. Distinct from PDE5 inhibitors (Viagra/Cialis) which act peripherally on vasodilation.
Pharmacokinetics
Plasma half-life approximately 2.7 hours. Effect onset 45 minutes post-injection, duration 6–10 hours. Reconstituted vial stable in fridge 6 weeks.
Potential Side Effects
Transient blood-pressure elevation (monitor if hypertensive). Nausea in 40% of first-time users. Facial flushing. Skin hyperpigmentation with repeated dosing — MC1R activation side-effect.
Cycle & Stacking Guide
On-demand use; not a scheduled protocol. Stacks with PDE5 inhibitors if erectile function is also a concern (different mechanisms, additive effect). Not for daily use.
Manufacturer Notes
SunSci Pharmaceutical produces semaglutide pens and growth hormone products. Cold-chain shipping for all biological products.
Storage & Handling
Store at recommended temperature (15–25°C; peptides and HGH at 2–8°C after reconstitution). Protect from light and moisture. Keep out of reach of children. For research and educational purposes only.
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