Description
PT-141 20 mg Nouveaux — Melanotan-2 from Nouveaux at 20 mg. Synthetic α-MSH analog driving skin melanogenesis, plus MC4R-mediated libido and appetite effects. Requires UV exposure for tanning pathway.
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
Nouveaux focuses on high-concentration injectable AAS and peptides. Standard batch QC documentation; scannable authenticity verifiers on each vial.
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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