Synthetic ACTH fragment analog
Semax
Early human researchA peptide used in Russia and studied for cognition and brain recovery.
Evidence
Early human research
Regulatory status
Not FDA-approved.
Class
Synthetic ACTH fragment analog
What it is
Semax is a synthetic peptide based on a fragment of ACTH (adrenocorticotropic hormone), modified so it has no hormonal effect on the adrenal glands.
What the research shows
- Registered as a medicine in Russia, where it has been studied in stroke recovery and cognitive function.
- Independent Western clinical trials are lacking.
Read the published research on PubMed →
Researched for
Semax is not FDA-approved for the uses people commonly discuss. Its safety and effectiveness in people have not been established. Talk to a licensed provider before making any decision.
Educational content, not medical advice. This page does not recommend or dose any substance.