What you need to know about the anti-anxiety drug, phenibut

This is the one linked to Gold Coast teens' overdoses


Russian astronauts
Phenibut was included in medical kits for Russian cosmonauts for its anti-anxiety and tranquilising properties. Wikimedia Commons

Phenibut was initially developed in the 1960s in Russia as an anti-anxiety (anxiolytic) drug with cognitive enhancing properties. It has since attracted a strong following of users in the “smart drug” market, with claims of boosting