TUMS Chewy Bites Assorted Berries antacids have fast-acting, extra strength heartburn relief. TUMS antacid chews relieve heartburn, sour stomach, acid indigestion, and upset stomach associated with these symptoms, so you can have it all, without the worry. Many other heartburn medications are absorbed into the bloodstream and can take hours or days to fully work. TUMS heartburn medicine goes to work in seconds, traveling directly to the source of the heartburn. Once there, it neutralizes acid on...