Compound Library

Peptide / Cognitive

Selank

Synthetic analogue of tuftsin. Anxiolytic and nootropic — reduces anxiety while sharpening cognition. Increases serotonin, dopamine, and enkephalin. No dependence or withdrawal reported. Used clinically in Russia for anxiety disorders.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose250–900 mcg intranasal 2x/day
Half-life0.35 hours
Risk flaglow
Regulatory noteResearch-only flag

Side effects and watch-outs

  • Mild sedation at high doses
  • Nasal irritation
  • Headache (rare)
  • No dependence or withdrawal reported
  • Caution with SSRIs/SNRIs — serotonergic interaction