Buy Adderall 30mg Online, Without Prescription. Adderall 30 mg (orange round pill AD 30) belongs to the class of drugs known as stimulants that are combined with two drugs, Amphetamine/dextroamphetamine. This combination of drugs is used to treat attention deficit hyperactivity disorder (ADHD ), which works by changing the balance of normal substances in the brain. Together, these brain structures play an important role in alertness and focus. Adderall can also be used to treat narcolepsy to help you stay alert during the day.