Compound Library

Peptide / Cognitive

N-Acetyl Semax Amidate

Enhanced Semax — N-acetyl modification and C-terminal amidation. 3–5x more potent than standard Semax. Longer duration. Preferred for experienced users.

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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 dose50–300 mcg intranasal 2x daily
Half-life1 hours
Risk flaglow
Regulatory noteResearch-only flag

Side effects and watch-outs

  • Higher likelihood of overstimulation than standard Semax
  • Insomnia
  • Headache
  • Nasal irritation
  • Always start at minimum effective dose