TUMS® Antacid Assorted Fruit Extra Strength. 20% more free. Calcium carbonate. 750. 116 chewable tablets. Uses: Relieves. Heartburn. Acid indigestion. Sour stomach. Upset stomach associated with these symptoms. Gluten-free. Questions 1-800-897-7535 weekdays. www.tums.com. ©2014 GSK.