Cannabidiol (CBD) waa phytocannabinoid oo laga helay 1940. Waa mid ka mid ah 113 loo yaqaan cannabinoids ee dhirta cannabis iyo xisaabaadka ugu badan ee 40% ee ka soo saarka dhirta.
Si ka duwan maaddada ugu caansan, tetrahydrocannabinol (THC), CBD gebi ahaanba waa mid aan cilmi-nafsi ahayn, taasoo la micno ah inaadan dareemeynin "dhagax" ama "sare". Xaqiiqdii, CBD waxay ka hortageysaa sifooyinka nafsaaniga ah ee THC. Marka lagu daro guryaha aan-cilmi-nafsiga ahayn ee CBD, cilmi-baaris ayaa muujisay inay ku jirto qaddar aad u tiro badan oo ah antioxidant iyo guryaha neerfaha, iyadoo albaabbada loo furayo noocyo kala duwan oo ah faa'iidooyinka caafimaadka ee CBD.