Most bath salts contain one of two psychoactive chemicals: MDPV (also known as 3,4-Methylenedioxypyrovalerone) or mephedrone.
But while the psychoactive effects are similar, Spice can be anywhere from five to 10 times more potent.
Ayahuasca/yagé is a psychoactive brew made from the Banisteriopsis caapi vine.
In the psychoactive hierarchy of kitchen work, a high-functioning junkie beats a one-time opium eater.
psychoactive psy·cho·ac·tive (sī'kō-āk'tĭv)
Affecting the mind or mental processes. Used of a drug.