Buy Provigil 100mg Online now and get 50% off on your first order. Provigil 100mg is the basic dose that is used in the initial phase of the Provigil treatment. It is a white-colored, capsule shape tablet printed with “PROVIGIL” on one side and “100” on another side. It is taken by mouth with or without food as prescribed. It is prescribed mostly to adults or children above 10 years old who are suffering from narcolepsy or other sleepiness disorders.