Generic Adderall Xr (30mg) is a prescription central nervous system stimulant that helps people. 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. Adderall XR is used to treat ADHD by increasing the amount of certain chemicals in the brain that are responsible for controlling focus and attention. It also helps to increase alertness, concentration, and energy. It can help to improve school, work, and home life.