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Semax

Synthetic neuropeptide

Not for human use

What it is

A synthetic peptide developed in Russia and discussed in cognition and focus contexts.

What the evidence shows

As with Selank, the evidence base is largely from one overseas context and has not produced an approved Australian medicine. Cognitive claims outrun the data.

Safety & reported risks

Unapproved and unregulated, with no assured quality or established safety profile for general use.

Status in Australia

Not approved for human use in Australia. Supply is unlawful.

How it’s lawfully accessed

No lawful supply pathway for human use in Australia.

Related peptides

SelankSynthetic anxiolytic peptideNot for human use

Sources & further reading

This entry is general information about Semax, not a recommendation to use it. We don’t provide dosing, protocols or sourcing. Speak to a registered practitioner.

Written by The Peptides.au editorial team
Editorial review Checked against current TGA, ARTG and AHPRA public guidance
Last updated 1 June 2026

This is general education, not medical advice. Peptides.au does not sell, supply, recommend or promote any product or clinic. Always speak with a registered Australian health practitioner before making any health decision.