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ToolsCompareSelank vs PT-141 (Bremelanotide)

Selank vs PT-141 (Bremelanotide)

Side-by-side comparison of key properties, dosing, and research.

Cognitive Enhancement
Selank
Sexual Health & Libido
PT-141 (Bremelanotide)
Summary
Selank is a synthetic heptapeptide analog of tuftsin developed in Russia. It is a potent anxiolytic that reduces anxiety and enhances cognitive function without sedation or addiction. It is approved for clinical use in Russia for anxiety disorders.
PT-141 (Bremelanotide) is a cyclic peptide melanocortin receptor agonist that enhances sexual desire and arousal through central nervous system mechanisms. It is FDA-approved as Vyleesi for premenopausal women with hypoactive sexual desire disorder (HSDD).
Half-Life
Minutes (but effects persist for hours)
2–3 hours
Admin Route
SubQ, Intranasal
SubQ
Research
Typical Dose
250–500 mcg
0.5–1.75 mg
Frequency
1–3 times daily
As needed (not daily)
Key Benefits
  • Reduces anxiety without sedation
  • Enhances memory and learning
  • Improves focus and concentration
  • Stabilizes mood
  • Reduces physiological stress response
  • May enhance motivation
  • No addiction potential or withdrawal
  • Fast-acting — effects within 20–30 minutes
  • Approved clinically in Russia for anxiety disorders
  • Enhances sexual desire and libido in both men and women
  • Improves arousal through central nervous system activation
  • Effective for psychological erectile dysfunction
  • Works for female sexual arousal disorder
  • May improve sexual satisfaction and intensity
  • Fast-acting — effects within 45–60 minutes
  • FDA-approved for HSDD in premenopausal women
Side Effects
  • Mild sedation at higher doses (paradoxical)
  • Fatigue (rare)
  • Irritability during discontinuation (uncommon)
  • Nausea (most common — 40% of users in clinical trials)
  • Facial flushing and warmth
  • Transient blood pressure changes (typically increase then normalize)
  • Headache
  • +2 more
Stacks With