New! Delicious creme flavors. Starts neutralizing acid in seconds! Calcium carbonate/Antacid. Questions or comments? 1-800-986-0369 (Mon - Fri 9AM - 5 PM EST). Other information: Each chewable tablet contains: Calcium 400 mg, store at room temperature. Avoid excessive heat above 40 degrees C (104 degrees F), close cap tightly after use.