ADHD Medication - Non Prescription ADHD Medication Stimulants like Ritalin (methylphenidate), Vyvanse, (lisdexamfetamine dimesylate), and Adderall boost dopamine and norepinephrine and improve concentration. They also help reduce impulsive behavior and increase levels of energy. Nonstimulants such as atomoxetine, Qelbree and bupropion can be beneficial if stimulants cause side effects. They