?-Hydroxybutyric acid (GHB), also known as 4-hydroxybutanoic acid, is a naturally occurring substance found in the human central nervous system, as well as in wine, beef, small citrus fruits, and almost all animals in small amounts. It is also categorized as an illegal drug in many countries. It is currently regulated in Australia and New Zealand, Canada, most of Europe and in the US. GHB as the sodium salt, known as sodium oxybate (INN) or by the trade name Xyrem, is used to treat cataplexy and excessive daytime sleepiness in patients with narcolepsy. GHB has been labeled as a date rape drug.
Contributions by 220.127.116.11, 18.104.22.168, and RoS.