Alka-Seltzer Chewable Tablets Extra Strength Cool Mint Heartburn Reliefchews 50 ea Bottle

In Each Chewable Tablet: Other Information: Each chewable tablet contains: Calcium 300 mg store at room temperature. Avoid excessive heat above 40 degrees C (104 degrees F). Avoid excessive humidity. Close cap tightly after use. Starts neutralizing acid in seconds! Paraben free. Questions or comments? 1-800-986-0369 (Mon - Fri 9am - 5pm EST).