Modafinil, sold under the brand name Provigil among others, is a medication to treat sleepiness . a human positron emission tomography (PET) imaging study found that mg and mg doses of modafinil resulted in DAT occupancy of. Provigil belongs to a class of medications called stimulants. It comes as mg and mg oral tablets. Studies show that Provigil increases. Name of the medicinal product. PROVIGIL mg tablets. 2. Qualitative and quantitative composition. Each tablet contains mg of modafinil. Excipient(s) with.