All day strong. Active Ingredients: 1 Tablet: Naproxen Sodium (Naproxen 200 mg) 220 mg Inactive Ingredients: FD&C Blue #2 Lake; Hypromellose; Magnesium Stearate; Microcrystalline Cellulose; Polyethylene Glycol; Povidone; Talc; Titanium Dioxide; Each Tablet 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 12 hours.