TUMS Smoothies Chewable Antacid Tablets get to work in seconds, so you can forget your heartburn and get back to the moments that matter. TUMS extra strength chewable antacids contain 750 mg of calcium carbonate to quickly and effectively fight heartburn and deliver sour stomach relief, acid indigestion relief and upset stomach associated with these symptoms. These smooth tasting and delicious fruit flavored antacid tablets neutralize acid on contact, giving you fast extra strength heartburn relief. Adults and children 12 years and older may chew two to four calcium antacids as symptoms occur or as directed by a doctor. Known as a trusted brand to fight heartburn fast for 90 years, TUMS is America's #1 antacid and the #1 physician, pharmacist and OBGYN-recommended adult antacid brand. These TUMS antacids come in a resealable bottle that is easy to take on the go in a purse or pocket so you're ready when heartburn strikes. HSA/FSA EligibleRestrictions apply; contact your insurance provider about plan allowances and requirements.