Other Information: Do not use if printed seal under cap is torn or missing. Store at room temperature. Misc: Antacid/Calcium Supplement. Calcium carbonate. Naturally & artificially flavored. Quality guaranteed. Compare to Tums Ultra Strength 1000 active ingredient (This product is not manufactured or distributed by GlaxoSmithKline, the distributor of TUMS Ultra Strength.). Questions? 1-888-423-0139.