Ask a Biohacker: What is a Nootropic?

Here’s Google’s quick answer:

Nootropics (/noʊ.əˈtrɒpɪks/ noh-ə-TROP-iks) (colloquial: smart drugs and cognitive enhancers) are drugs, supplements, and other substances that may improve cognitive function, particularly executive functions, memory, creativity, or motivation, in healthy individuals.

Nootropic – Wikipedia
https://en.wikipedia.org/wiki/Nootropic

The Hackstronaut answer is forthcoming.