Nootropics are supplements or compounds that may improve knowledge, sustaining concentration, mind, psychological quality
https://smart-wiki.win/index.php/Top_10_Most_Effective_Nootropics_in_the_United_States:_A_Manual_to_Leading_Cognitive_Enhancers
Nootropics are supplements or substances that may improve cognition, assisting focus, moment, mental clarity, and inspiration when joined sleeping, hydration, and also healthy and balanced habits.