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Semax

Human observational
CognitiveCognition / neuroprotection (claimed)

Community-reported ranges are anecdotal and not clinically validated. Evidence grade shown reflects the strength of available human data. Not a prescription. Legal status varies by country and changes over time; verify locally.

Overview

A peptide developed in Russia and used there in some clinical settings; used elsewhere as a nootropic. Evidence outside its origin is limited.

Mechanism

Proposed to modulate BDNF and neurotrophic signalling; human mechanism not firmly established.

Evidence

Human observationalWhat does this mean?

Some regional clinical use; robust independent RCT evidence is limited.

Community-reported information

Community reports vary. Anecdotal and unvalidated; general information only.

General information only, not tailored to you and not a recommendation. Some regions withhold this entirely.

Half-life

Short (intranasal use common).

Storage

Refrigerate solutions.

Commonly reported side effects

  • Not well characterised
  • Nasal irritation (intranasal)

Legal status by region

  • USNot FDA-approved; not a lawful supplement ingredient.

Legal status changes over time; verify locally before relying on this.

Citations