ADHD Medication - Non Prescription ADHD Medication Stimulants such as Ritalin (methylphenidate), Vyvanse (lisdexamfetamine dimesylate) and Adderall increase dopamine and norepinephrine to improve concentration. They also help reduce impulse-driven behavior and increase levels of energy. Nonstimulants such as atomoxetine, Qelbree and bupropion are beneficial when stimulants have adverse effects. They