Alka Seltzer Heartburn Relief, Cool Mint, Cool Action, Extra Strength, Gum

Calcium carbonate/antacid. New. Works fast! Questions or Comments? Call toll-free 1-800-986-0369 (Mon-Fri 9am-5pm EST). Product of France. Other information: Each piece contains: 300 mg calcium. Store at room temperature. Avoid humidity and excessive heat above 104 degrees F (40 degrees C).