Semax

How it works

A fragment of ACTH, the hormone that triggers cortisol, with no hormone action left; nose drops sold to sharpen focus and memory.

What it's made of

7 amino acids (MEHFPGP): 4 pieces of ACTH, the hormone that orders cortisol to be made, plus a tail of 3 so it lasts. It no longer acts as a hormone.

What it's for

Prescribed for

In Russia: stroke and memory problems of vascular origin.

Sold as

“The Russian nootropic”: drops in your nose to focus and remember better.