Phillips' Milk of Magnesia Laxative Mint Flavor Oral Suspension 769 ml 400 mg / 5 mL Strength - EachLaxative Phillips' Milk of Magnesia Mint Flavor Oral Suspension 26 oz. 400 mg 5 mL Strength Magnesium Hydroxide Phillips' Milk of Magnesia laxative and antacid produces a bowel movement in one half to 6 hours There are 1,200 milligrams of magnesium hydroxide in each 15 mL dose Stimulant and cramp free Bottle has 769 mL of sugar free, mint flavor liquid saline laxative