Modalert in the No.1 generic modafinil medication and is used to treat problems arising from daytime sleepiness and sleep apnea. It is also frequently used to promote increased levels of concentration and mental ability.
Modvigil is a medication containing the active ingredient modafinil. It is a generic version of Provigil so works in exactly the same way to promote wakefulness at the same time as increasing cognitive ability and concentration.
Vilafinil is a budget priced medication which contains the active ingredient modafinil. It is often used to significantly enhance mental ability and is also used by people who suffer from daytime sleepiness resulting from irregular working hours or insomnia problems.
Provigil contains the active ingredient modafinil and is a wakefulness promoting medication that is used for the treatment of shift work disorder and excessive daytime sleepiness. It is also used off-label to significantly improvement alertness and cognitive performance.