If you are looking for a way to get your hands on Ritalin without having to pay an arm and a leg for it, then buying Ritalin online is definitely the way to go. Not only are there many reputable online pharmacies that sell Ritalin at affordable prices, but you can also enjoy the convenience of having the medication shipped right to your doorstep. Ritalin is a psychostimulant medication and central nervous system stimulant. It is used in the treatment of attention deficit hyperactivity disorder (ADHD) in children and adults. and narcolepsy. Ritalin is an amphetamine-like stimulant that has been used to treat these disorders.