Question: what are the strongest nootropics?
Answer: Caffeine. Caffeine is the most widely consumed psychoactive substance in the world ( 1 ). ... 
L-Theanine. ... 
Creatine. ... 
Bacopa Monnieri. ... 
Rhodiola Rosea. ... 
Panax Ginseng. ... 
Ginkgo Biloba. ... 
Nicotine.