longevity · guide
Semax
A lab-made peptide studied for focus and memory.
What it is
A synthetic peptide built from a fragment of ACTH (4-10). ATX lists it as Semx. Like Selank, it was developed and registered in Russia.
What research has looked at
Studied in Russian clinical work and in animals for cognition, neuroprotection, and BDNF signaling.
What's still unknown
It isn't approved in the US, and Western clinical trials are lacking.
Where it fits
See the stacks page for how we group Semax with related compounds, or look up any unfamiliar name in the dictionary.
For research use only. Not for human consumption, and not medical advice. Talk to a clinician.