Fast pain relief. Active Ingredients: Per Powder: Aspirin (NSAID)* 1000 mg; Caffeine 65 mg *Nonsteroidal Anti-Inflammatory Drug Inactive Ingredients: Docusate Sodium; Fumaric Acid; Lactose Monohydrate; Potassium Chloride; Each Powder Contains: Potassium 65 mg Uses: Temporarily relieves minor aches and pains due to: headaches minor arthritis pain colds muscular aches. Temporarily reduces fever. Fast pain relief.