Wholesale Acid Reducer: A2Z Acid Reducer Famotidine 10 mg Original Tablets (Pepcid AC 10 mg). This product prevents and reduces heartburn due to acid indigestion brought on by eating and drinking certain foods and beverages. Compare to the active ingredient in Pepcid AC original. Just one tablet prevents and relieves heartburn due to acid indigestion. 10 tablets packed 24 to a case.