The medication Adderall helps to treat narcolepsy and ADHD (attention deficit hyperactivity disorder). Amphetamine & dextroamphetamine are both included in Adderall. The CNS (central nervous system) stimulants amphetamine & dextroamphetamine impact brain and nerve molecules that are involved in hyperactivity & impulse control. You may buy Adderall online as it is a relatively effective and safe medication for ADHD and narcolepsy.