The only active ingredient in Vivarin® is caffeine. Vivarin has been recognized by the FDA as a safe and effective way to keep you mentally alert and focused. It's just like having coffee or soda.
Adults and children 12 years of age and over: take 1 tablet not more often than every 3 to 4 hours.
Active Ingredient: Caffeine 200 mg (alertness aid)
Inactive Ingredients: Caranuba Wax, Colloidal Silicon Dioxide, D&C Yellow #10 Aluminum Lake, Dextrose, FD&C Yellow #6 Aluminum Lake, Hydroxypropyl Methylcellulose, Magnesium Stearate, Microcrystalline Cellulose, Polyethylene Glycol, Polysorbate 80, Starch, Titanium Dioxide
Store at room temperature.