Wild Cherry Saline Laxative & Antacid. Effective Overnight Relief. Very Low Sodium. Stimulant Free. Pharmacist Recommended Compare to the active ingredient of Phillips® Milk of Magnesia.* Each 5 ml Teaspoonful Contains: Magnesium, 400mg. *Walgreens® is not affiliated with the owner of the registered trademark Phillips®. 100% Satisfaction with all Walgreens products or your money back.