<unk> , also known as CBD, is an antipsychotic cannabinoid found in the hemp plant Cannabis sativa. It is a major constituent of the plant, representing up to 40% in its extracts.
CBD alone is not intoxicating, but it appears to affect the euphoric effect of THC (which is an isomer of<unk>  and add a sedative quality[citation needed]. Some research, however, indicates that CBD can increase alertness.
It may decrease the rate of THC clearance from the body, perhaps by interfering with the metabolism of THC in the liver. CBD does not appear to affect either the CB1 or CB2 receptors.
Medically, it appears to relieve convulsion, inflammation, anxiety, and nausea, as well as inhibit cancer cell growth[citation needed]. Recent studies have shown<unk>  to be as effective as atypical antipsychotics in treating schizophrenia.
Cannabidiol
Chlormezanone
Squalene
Nitisinone
Ethacrynic acid 
Ginkgo biloba
Viminol
Sinecatechins