MULTIPLE SYMPTOM RELIEF: These ultra-strength antacid tablets work fast to relieve heartburn, sour stomach, and acid indigestion as well as upset stomach associated with such symptoms.
2X THE STRENGTH: TUMS Ultra Strength 1000 antacid tablets provide double the acid fighting power per tablet as regular strength TUMS.
GLUTEN-FREE AND KOSHER PAREVE: The active ingredient in TUMS Ultra Strength 1000 is calcium carbonate.