GLS Mint Flavored Milk of Magnesia can be used as a laxative or an antacid. Helps relieve constipation, heartburn, sour stomach and acid indigestion. Compare to active ingredient of Phillips Milk of Magnesia. Net wt 12oz. Active Ingredient (in each 15 mL tablespoonful) Magnesium hydroxide 1200 mg Inactive Ingredients: flavor, purified water, saccharin sodium, sodium hypochlorite. There is no mineral oil in this product.