N-Acetyl Semax
Also known as · NA-Semax amidate
to clear
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.
An acetylated, amidated Semax variant with improved stability and a longer duration of action.
Same BDNF/NGF and monoamine modulation as Semax, with terminal modifications resisting peptidase breakdown.
300–600 mcg intranasal, 1–2× daily.
Refrigerated; nasal solution ~30 days.
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Semax
A synthetic ACTH(4-10) analog developed in Russia as a nootropic for focus and neuroprotection.
Selank
A synthetic analog of tuftsin with anxiolytic and nootropic effects, without sedation or dependence.
N-Acetyl Selank
A stabilized, amidated Selank variant with extended action versus standard Selank.