Ritalin is a brand name for methylphenidate, a central nervous system stimulant commonly prescribed to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. It works by increasing levels of dopamine and norepinephrine in the brain, which helps improve attention, focus, and impulse control in individuals with ADHD. Ritalin is available in immediate-release and extended-... https://www.justmedusa.com/product-page/buyritalin10mgonline