Other Information: Each tablet contains: elemental calcium 400mg; do not use if printed seal under cap is torn or missing. Store at room temperature. Keep the container tightly closed. Misc: Calcium Carbonate. Relieves heartburn and acid indigestion. Compare to Tums Ultra Strength 1000 active ingredients (This product is not manufactured or distributed by GlaxoSmithKline LLC, owner of the registered trademark Tums). supervaluprivatebrands.com.