GNP Extra Strength Antacid, Orange Flavor, Sugar Free - 80 Chewable tablets Sale! from 499 998 /per Qty. Sold Out 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 Extra Strength Antacid Orange Flavor 80 Chewable tablets Compare to Tums Extra Strength Qty available:0 Tweet