What is the main ingredient in Tums?
The answer is Calcium Carbonate
Tums is a base. because if it was an acid , it wouldn;t help acid reflux. Tums is not an acid or a base, its main ingredient, calcium carbonate is a salt. The calcium carbonate reacts with the hydrochloric acid in your stomach to form Calcium Chloride, water and Carbon Dioxide gas. 2(HCl) + CaCO3 --> CACl2 + H2O + CO2