Nootropics describe a broad classification of drugs or compounds with cognitive enhancing properties with minimal side-effects appropriate for long-term use — the scientific nomenclature for "smart drugs." To be clear, nootropics aren't magic pills that instantly increase your IQ, but there is a growing body of peer-reviewed science that do demonstrate the cognitive benefits that nootropics offer. A lot of nootropic compounds are exciting but the long-term safety for some are unknown. Make sure to do research to figure out the proper dosing, regimen, and program for your personal use. A good starting resource is
https://nootropicboost.com/
Good luck!