Neutonic Productivity Drink. A researched-backed blend of nootropic ingredients to help you improve your focus and attention so you can get things done.Each can contains our premier blend of nootropics: Cognizin 500mg, Rhodiola Rosea 400mg, L-Theanine 400mg and 200mg of Panax Ginseng, as well as 120mg of Caffeine and 100% DV of 8 B Vitamins.