Prevents & Relieves - Heartburn Associated with Acid Indigestion & Sour Stomach Zantac 75® is not sold as a store brand. Read the directions, consumer information leaflet and warnings before use.Keep the carton. It contains important information. Do not use if individual blister unit is open or tornThis product is sodium and sugar free Questions or comments? call 1-800-223-0182. Information is available 24 hours a day, 7 days a week.