Kirkland Signature Acid Controller (250 Tablets)

The active ingredient in Kirkland Signature Acid Controller Maximum Strength, 20 mg, an H2 Blocker. These partially block production of acid in the stomach cells by inhibiting histamine, a substance that stimulates the secretion of stomach acid. Over-the-counter and prescription H2 blockers relieve heartburn associated with acid indigestion and sour stomach and prevent meal-induced heartburn. FEATURES The active ingredient in Kirkland Signature Acid Controller Maximum Strength is Tablets, 20 mg, an H2 Blocker. These partially block production of acid in the stomach cells by inhibiting histamine, a substance that stimulates the secretion of stomach acid Over-the-counter and prescription H2 blockers relieve heartburn associated with acid indigestion and sour stomach and prevent meal-induced heartburn. USP 20 mg - Acid Reducer, Compare to Maximum Strength Pepcid Prevents and Relieves Heartburn and Indigestion Two Bottles, 125 Tablets Each.