Other Information: Each tablet contains: sodium 524 mg. Store at room temperature (59 degrees - 86 degrees F). Misc: Aspirin (NSAID) (pain reliever). Citric acid (antacid). Sodium bicarbonate (antacid). Fast relief of: acid indigestion; upset stomach; heartburn with headache; body aches & pains. Compare to Alka-Seltzer active ingredients (This product is not manufactured, distributed or licensed by the maker of Alka-Seltzer). Questions or comments? Call 1-877-932-7948. Take this product any time - morning, noon or night - when you need relief from heartburn, acid indigestion, sour stomach with headache or body aches and pains. Mornings. Noontime. Evenings. Gluten free. Supervalu quality guaranteed. Contact us at 1-877-932-7948, or www.supervalu-ourownbrands.com. Manufactured in the USA.