Extended-Release Ritalin as the epitome of a stimulant drug, Ritalin is an excellent option for those with attention deficit-hyperactivity disorder (ADHD). It is generally accepted that this formulation increases levels of important neurotransmitters in the brain, including norepinephrine and dopamine, even though the exact methods by which it improves attention and focus are still somewhat unclear. Furthermore, there is a widely held belief that it could also enhance serotonin activity, which would add to its effectiveness in promoting enhanced focus and cognitive performance.