Buy Adderall Online legally without a prescription. Adderall is a popular drug used worldwide. It is also known as the brand Amphetamine. This drug is used for ADHD management. So, Adderall is prescribed for the treatment of Attention Deficit Hyperactivity Disorder (ADHD). Sometimes it is also used to treat narcolepsy. It is available as an oral tablet with different strengths to treat different conditions of ADHD.