Semax
Also known as N-Acetyl Semax
Semax is a brain-focused peptide from Russian research, used (usually as a nasal spray) for focus, memory, and neuroprotection.
One-dose burn-down
Half-life
6 min
Tmax
12 min
Typical dose
300 mcg
A synthetic ACTH(4-10) analog used (mainly in Russia) as a nootropic and neuroprotective peptide, typically intranasal.
Mechanism of action
Modulates BDNF and dopaminergic/serotonergic signaling; neuroprotective in preclinical models.
Research peptide — not FDA approved. Plasma half-life is minutes (rat data); central effects far outlast blood levels. Usually dosed intranasally.
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