Alka-Seltzer, 72 tablets/box

Quick relief when you need it most. Effervescent tablets dissolve fast and are ready to work the instant you take it. Treats indigestion, upset stomach, and heartburn with headaches. Active Ingredients: Anhydrous Citric Acid 1000 mg, Aspirin 325 mg, Sodium Bicarbonate 1916 mg. Sold as a box of 36 individually sealed packets of 2 tablets. Perfect for standalone first aid or as a refill for a kit.