5 min read Β· Research education
What Is Semax? Nootropic Research Peptide Overview
Semax is a synthetic neuropeptide derived from ACTH, studied in neuroscience research for its effects on BDNF and neural signaling. Here's the overview.

Semax is a synthetic peptide derived from a fragment of adrenocorticotropic hormone (ACTH), specifically the ACTH(4β10) region, extended with a Pro-Gly-Pro tail to improve stability. It was developed in Russia and is studied in neuroscience research as a neuroregulatory peptide.
What the research examines
In laboratory research, Semax is studied for its neuroregulatory properties β including its reported influence on brain-derived neurotrophic factor (BDNF) expression, oxidative-stress response, and neural cell function. It frequently appears in research models concerning cognitive function and signaling within the central nervous system.
Related research peptides
Semax is often grouped with Selank as a βnootropicβ research peptide, since both are synthetic neuropeptides studied for central-nervous-system signaling. As with all compounds here, Semax is supplied for laboratory research use only and is not for human consumption.
Frequently asked questions
What is Semax derived from?
Semax is derived from the ACTH(4β10) fragment of adrenocorticotropic hormone, extended with a Pro-Gly-Pro sequence for stability.
What is Semax studied for?
In research it is studied for neuroregulatory effects, including BDNF expression and neural signaling. It is supplied for laboratory research use only.
Related research peptides
This article is provided for educational and research-context purposes only and does not constitute medical, dosing, or human-use guidance. All products referenced are sold by Peptide Depot strictly for laboratory research use only and are not for human or veterinary consumption.

