Pirisudanol

Pirisudanol (Mentis, Menthen, Mentium, Nadex, Nadexen, Nadexon, Pridana, Stivane), also known as pyrisuccideanol, is the succinic acid ester of pyridoxine (a form of vitamin B₆) and of deanol (DMAE). It has been used in Europe in the treatment of mild cognitive impairment as well as fatigue and depression.