Semax
A synthetic peptide derived from a fragment of the hormone ACTH, developed in Russia in the 1980s and registered there as a medicine.

Level of evidence
Approved as a medicine in at least one countryWhat it is
Semax combines the ACTH(4-7) fragment (Met-Glu-His-Phe) with a Pro-Gly-Pro tail that makes it more resistant to degradation. It was developed at the Institute of Molecular Genetics of the Russian Academy of Sciences.
State of the research
Most publications come from Russian research groups (cell, animal and clinical studies in Russia). Independent studies outside Russia are few, and it has not been assessed by the FDA or the EMA.
Sources
Last reviewed: October 2026
Summaries of published scientific literature, for information and laboratory research only. They do not describe uses of our products, are not medical advice and do not imply that any compound is safe or effective in humans. Our products are not for human or animal consumption.
