Acid

Acid is a kind of drug able to be dealt in Grand Theft Auto: Chinatown Wars.

The name of the drug is actually a slang term for LSD.

Dealing
Acid is one of the two available "hallucinogens" as referred to in-game.

It can be bought in large quantities and good prices to the Irish American Killers and sold at high prices to the Midtown Gangsters.

Lysergsäurediethylamid