What are nootropics?
Last updated June 14, 2026
Nootropics are substances people research for cognitive performance, focus, learning, memory, mood, motivation or mental energy. The term is used broadly today: it can include dietary supplements, herbs, amino acids, vitamins, minerals, prescription medicines and research compounds.
NootropicsIndex uses the broad, modern meaning, but keeps the practical distinction clear: not every nootropic is a supplement, not every supplement has strong evidence, and legal status can differ by country.
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