GNP Antacid Liquid, Regular Strength, Original Flavor - 12 oz Sale! from 599 898 /per Qty. Sold Out This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Good Neighbor Pharmacy Antacid Liquid Fast Relief of Acid Indigestion, Heartburn, Sour Stomach, Pressure and Bloating Original Flavor Compare to Mylanta Regular Strength Qty available:0 Tweet