Adderall is available in a regular-launch kind that lasts four to 6 several hours and an prolonged-release form (Adderall XR) that works for as many as twelve hrs. Manufacturer-identify Adderall XR and generic Adderall and Adderall XR can be found as amphetamine/dextroamphetamine and extended-launch amphetamine/dextroamphetamine.The vendors on Klar