What is a brand name for calcium carbonate? Tylenol Advil Benadryl Tums

## Step 1<br />The problem is asking for the brand name of calcium carbonate. Calcium carbonate is a common substance found in rocks, and it is also the main component of shells of marine organisms, snails, pearls, and eggshells. It is used in a variety of applications, including as a dietary supplement, in antacids, and in the production of cement and lime.<br />## Step 2<br />Among the options provided, Tylenol, Advil, and Benadryl are brand names for different types of medications, but they are not calcium carbonate.<br />## Step 3<br />Tums is a brand name for calcium carbonate, which is used as an antacid to relieve heartburn, acid indigestion, and stomach upset.