If you want to buy Adderall online, you must know what Adderall is. Adderall is a drug comprising amphetamine salts that helps in increasing focus and concentration. The drug is usually taken to treat ADHD (Attention Deficit Hyperactivity Disorder) and narcolepsy (feeling sleepy when surrounded by relaxing surrounding). The diagnosis of some students having ADHD is very late. Therefore, their treatment with the help of the drug also starts late.