Great-tasting, chewable TUMS go straight to the heartburn to neutralize acid fast. Unlike many heartburn medications, TUMS does not need to be absorbed into your bloodstream first. It works on contact, so you can enjoy all of your favorite foods without the threat of heartburn holding you back. Learn more about TUMS and heartburn relief. An Easy Calcium Solution With TUMS, you get more than heartburn relief. You also get a great source of calcium. Most people don't get enough calcium from their diets alone. TUMS tablets are chewable, fast-dissolving, and contain highly absorbable calcium carbonate, which can help keep bones strong for life.