Rolziracetam, a nootropic or cognitive enhancing drugs, has been evaluated for use in human subjects.
Rolziracetam is a nootropic drug of the racetam family. It has a wide margin of safety in animals and has been evaluated for use in cognitively impaired human subjects. Nootropics (/no.trpks/ noh--TROP-iks) (colloquial: smart drugs and cognitive enhancers) are drugs, supplements, and other substances that claim to improve cognitive function, particularly executive functions, memory, creativity, or motivation, in healthy individuals. 
