Buy Ritalin Online Without Medical Prescription (Rx) for curing ADHD self assessment and ADD in adults and kids. Generic name of Ritalin is Methylphenidate. It is used for the treatment of attention deficit hyperactivity disorders (ADHD) that are nowadays quite common in students and professionals. Ritalin can help patients to enhance their ability to focus on their work pay proper attention to the activities and for controlling their behavior. Along with it many physicians use this medication to cure sleeping disorders.