Member's Mark Maximum Strength Ranitidine Tablets USP 150mg Acid Reducer (2 bottles (190 tablets)) Go to amazon.com Related posts Which are the best zantac kirkland available in 2022? FeatureMaximum strengthCompare to the active ingredient in Zantac 150 Tablets DescriptionPrevents heartburn associated with acid indigestion and sour stomach brought on by eating or drinking certain foods and beverages.