Each tablet contains 750mg of calcium carbonate, which is a fast-acting antacid that helps neutralize excess stomach acid. The tablets have a wintergreen flavor and are chewable for easy consumption. Equate Extra Strength Antacid Chewable Tablets come in a 96-count bottle. They also come in an easy-to-grip bottle. Free of gluten, these naturally and artificially flavored wintergreen tablets are suitable for most adults and children over 12 years (see dosage).