Nootropic Stack is an advanced supplement to enhance memory, focus, mood, sleep, and brain function for better aging. Each is a month supply (240 capsules) of the best natural nootropics, with clinical doses of ALA, ALCAR, Ashwagandha, Alpha GPC, Bacopa, Ginkgo, L Theanine, Melatonin, Phosphatidylserine, and Rhodiola.