All day strong. Active Ingredients: (In Each Caplet): Naproxen Sodium 220 mg (Naproxen 200 mg) (NSAID) (Nonsteroidal Anti-Inflammatory Drug) Inactive Ingredients: FD&C Blue #2 Lake; Hypromellose; Magnesium Stearate; Microcrystalline Cellulose; Polyethylene Glycol; Povidone; Talc; Titanium Dioxide; Each Caplet Contains: Sodium 20 mg Uses: Temporarily relieves minor aches and pains due to: minor pain of arthritis, muscular aches, backache, menstrual cramps, headache, toothache, the common cold; temporarily reduces fever. Strength to last all day.