Compound atlas
Cognitive

N-Acetyl Semax

Also known as · NA-Semax amidate

Peptide
Half-life
3h
approx. mean t½
Dose range
300–600 mcg
typical, not prescriptive
Category
Cognitive
primary use-case
Single-dose decay
t½ = 3h · first-order model
~12h
to clear
1× t½
50%
remaining
2× t½
25%
remaining
~4× t½
6%
remaining
0%25%50%75%100%0m3h6h9h12h15h

How a single dose clears, assuming first-order elimination. The half-life is the biggest driver of how often you dose — start a cycle to see your own cumulative concentration curve.

Overview

An acetylated, amidated Semax variant with improved stability and a longer duration of action.

Mechanism of action

Same BDNF/NGF and monoamine modulation as Semax, with terminal modifications resisting peptidase breakdown.

Typical protocol

300–600 mcg intranasal, 1–2× daily.

Storage

Refrigerated; nasal solution ~30 days.

Disclaimer

This page summarizes publicly available information. None of it constitutes medical advice, prescription, or recommendation to acquire, possess, or use any compound. Many peptides described are research chemicals not approved for human use in the EU. Consult a licensed physician.