Zantac 150 Maximum Strength Cool Mint Tablets are an over-the-counter medication used to treat heartburn, acid indigestion, and sour stomach. The tablets contain 150mg of the active ingredient ranitidine, which is an acid reducer that works by decreasing the amount of acid produced by the stomach. The cool mint flavor makes the tablets easy and pleasant to swallow. Zantac 150 Maximum Strength Cool Mint Tablets come in a bottle with a foil seal to ensure freshness and prevent tampering. It is important to read and follow the directions on the label, and to not exceed the recommended dose. People who experience persistent heartburn or other digestive symptoms should consult with a medical professional to rule out any underlying conditions.