Adderall Online FedEx Fast Delivery. Adrenaline-like effects of amphetamines, used for treating attention deficit hyperactivity disorder (ADHD). Orlistat or (orlistat) For the treatment of obesity in adults and children. Adderall XR is a brand name for the generic drug amphetamine-dextroamphetamine, which is used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. Adderall XR is a long-acting form of Adderall, and it lasts for up to 12 hours. It is available in capsules of 5 mg, 10 mg, 15 mg, 20 mg, 25 mg, and 30 mg.