Vivarin, an over-the-counter caffeine tablet, keeps you focused and alert. Vivarin contains the same amount of caffeine as a cup of coffee, only with more convenience. Vivarin package easily fits in your purse or backpack. Take it with you everywhere, unlike that cup of coffee.
Adults and children over 12 years: take 1 caplet every four hours.
200 mg of caffeine per caplet or tablet.