Ritalin is a stimulant medicine and it is mostly used to treat ADHD, ADD, and narcolepsy. It contains Methylphenidate which acts on the brain and treats ADHD-like disorders. Buy Ritalin Online after you are prescribed by the doctor otherwise don’t consume this. It helps in recovery from ADHD but it may have some side effects which sometimes go beyond your expectations. So you should get permission from your doctor to take this medicine.