Name of the medicinal product. PROVIGIL mg tablets. 2. Qualitative and quantitative composition. Each tablet contains mg of modafinil. Excipient(s) with. (modafinil). Tablets. Read this Medication Guide before you start taking PROVIGIL and each time you get a refill. There may be new information. This information. Medscape - Narcolepsy, obstructive sleep apnea, shift work sleep disorder- specific dosing for Provigil (modafinil), frequency-based adverse effects.