Piracetam  is a nootropic drug in the racetams group, with chemical name 2-oxo-1-pyrrolidine acetamide. It shares the same 2-oxo-pyrrolidone base structure with pyroglutamic acid. Piracetam is a cyclic derivative of GABA. In the United States, it is not approved by the US Food and Drug Administration for any medical use and it is not permitted to be sold as a dietary supplement. In the UK, piracetam is prescribed by doctors for some conditions, mainly myoclonus, but is used off-label for other indications.

Piracetam is primarily used in Europe, Asia, and South America. In the United States, it is not approved by the US Food and Drug Administration for any medical use and it is not permitted to be sold as a dietary supplement. Piracetam is legal to import into the United Kingdom for personal use with or without prescription. P Piracetam has no DIN in Canada, and thus cannot be sold but can be imported for personal use in Canada. It has become popular as a cognitive enhancement drug among students. It may even be possibly used for the treatment of childhood autism, a practice partially supported by clinical research