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N-Acetyl Semax Amidate — dosage, half-life & reference guide

Cognitive peptide · also known as NA Semax Amidate, NASA peptide, Semax Amidate

An enhanced version of Semax with chemical modifications (acetylation and amidation) that significantly increase its potency and blood-brain barrier penetration. Delivers the same cognitive benefits as standard Semax — focus, BDNF boost, motivation — but at lower doses and with longer-lasting effects. Start conservatively as it is much stronger per microgram.

Commonly-researched dose ranges

N-Acetyl Semax Amidate is commonly researched at 100–600 mcg, daily, split dosing, by Intranasal. These are reference ranges from the literature and community use, not a prescription.

Half-life

Estimated half-life: Longer than Semax due to modifications. See how it accumulates in the half-life calculator.

Safety & interactions

Commonly reported effects: irritability, overstimulation at high doses, headache, anxiety. Discuss with your clinician.

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