Buy Adderall online is a prescription drug that contains two drugs: amphetamine and dextroamphetamine. Adderall is used for ADHD (attention deficit hyperactivity disorder). The doctor's first choice is always Adderall for ADHD treatment. This drug is also used for insomnia to help you stay awake during the day. Which can be found in children and adults. When a person has or suffers from ADHD, he or she has the following symptoms: