(per tablet) calcium carbonate usp 1000 mg - antacid ; inactive ingredients: adipic acid, corn starch, fd&c blue #1 lake, fd&c red #40 lake, fd&c yellow #5 (tartrazine) lake, fd&c yellow #6 lake, flavors, mineral oil, sodium polyphosphate, sucrose, talc.
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging and/or contact the manufacturer if you have a severe food allergy.