Nootropics (/noʊ.əˈtroʊpɪks/ noh-ə-TROHP-iks or /noʊ.əˈtrɒpɪks/ noh-ə-TROP-iks) (colloquially brain supplements, smart drugs, or cognitive enhancers) are chemical substances which purportedly improve cognitive functions, such as attention, memory, wakefulness, and self-control.[1]
While commonly in the form of dietary supplements, nutraceuticals or energy drinks,[2] some nootropics are prescription drugs in certain jurisdictions.
In the United States, nootropics can be over-the-counter drugs and commonly advertised with unproven claims of effectiveness for improving cognition. The Federal Trade Commission and FDA have warned manufacturers and consumers about possible advertising fraud and marketing scams concerning nootropic supplements.[3][4]
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