Compare to Maximum Strength Pepcid AC active ingredient. Just one tablet of Up&Up Maximum Strength Famotidine Tablets, 20 mg prevents and relieves heartburn associated with acid indigestion brought on by eating and drinking certain foods and beverages. This gluten free heartburn medicine is intended for adults and children 12 years and over. We believe making smart choices for the people, places, and pets in your life should be easy and affordable. And, having quality you can trust should be a given. Thats why you can count on our promise caring for your everyday in every way. Satisfaction guaranteed Love it or your money back.