Buy Adderall 30 mg online is the most common process to get Adderall 30 pill. Buy Adderall XR 15mg Online is one of the most popular prescription medications used to treat Attention Deficit Hyperactivity Disorder (ADHD). It is also prescribed for Narcolepsy. Adderall is a combination of two stimulants - amphetamine and dextroamphetamine. These chemicals in the brain help improve concentration.