Buy Ritalin Online is a medication used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. It works by increasing the activity of certain neurotransmitters in the brain, which helps to improve focus and reduce impulsivity. Ritalin is available in both immediate-release and extended-release formulations, with the latter providing longer-lasting effects. It comes in Ritalin 10mg and Ritalin 20mg. While it can be effective in treating ADHD, Ritalin can also have side effects, including anxiety, agitation, and sleep disturbances. It's important to take Ritalin exactly as prescribed by a doctor and to let them know if any side effects are experienced.