Cognitive / neuro
N-Acetyl Semax Amidate
Research chemicalNA-Semax-amidate · Nootropic neuropeptide (modified Semax)
Longer-acting, more stable chemical variant of Semax.
What it is
A Semax modified with acetylation and amidation to resist enzymatic breakdown, marketed as more potent and longer-lasting.
How it works
Same proposed BDNF/TrkB upregulation and neuromodulation as Semax, with greater metabolic stability.
Studied for
Cognition, focus, neuroprotection (mostly anecdotal for this variant).
Regulatory status
Not approved anywhere; research chemical in the US.
Safety
Presumed similar to Semax; controlled human safety data essentially absent.
Educational information only — not medical advice, and not a recommendation to use any compound. Many peptides here are not approved for human use; legal status and evidence quality vary and are noted above. This page contains no dosing information. Consult a qualified clinician before making any health decision.