Powerful Heartburn Medicine for Adults and Children 12+ TUMS Chewable Antacid Tablets go to work in seconds by starting to neutralize acid on contact to bring fast and powerful extra strength heartburn relief, with 50% more acid fighting power per tablet than regular TUMS antacid tablets. When symptoms occur, chew and swallow two to four tablets, depending on the severity of your acid indigestion. Featuring the active ingredient calcium carbonate, these fruit flavored chewable antacid tablets relieve heartburn, sour stomach and acid indigestion and provide upset stomach relief associated with these symptoms. TUMS antacids are the #1 recommended adult antacid brand by doctors, pharmacists and OBGYNs. It is America’s #1 antacid and trusted as a heartburn and acid indigestion medicine for 90 years, fully supported with a satisfaction guarantee. These chewable antacids are gluten free and kosher, with an active ingredient that can be found in nature. Packaged in a resealable bottle perfect for keeping in your car or office, TUMS Extra Strength Assorted Fruit antacids fight flare ups fast.