Adderall comes in an ordinary-release sort that lasts four to 6 hrs and an prolonged-release type (Adderall XR) that actually works for as much as twelve several hours. Manufacturer-name Adderall XR and generic Adderall and Adderall XR can be obtained as amphetamine/dextroamphetamine and prolonged-launch amphetamine/dextroamphetamine. Adderall,