Adderall comes in a regular-launch sort that lasts 4 to 6 hrs and an extended-release variety (Adderall XR) that actually works for as many as twelve hrs. Model-title Adderall XR and generic Adderall and Adderall XR can be found as amphetamine/dextroamphetamine and extended-release amphetamine/dextroamphetamine. These with a valid prescription m