Other Information: Each tablespoon (15 ml) contains: calcium 20 mg, magnesium 595 mg, potassium 2 mg and sodium 3 mg. Does not meet USP requirements for preservative effectiveness. Store at 68-77 degrees F (20-25 degrees C). Close cap tightly after use. Avoid freezing. Misc: Magnesium hydroxide 1200 mg (saline laxative). No. 1 doctor recommended saline laxative active ingredient (In the US. Source: Symphony Health Solutions). Comfortable, cramp free relief. Stimulant free. Alcohol 0.4%. Compare to Phillips' Milk of Magnesia active ingredient (This product is not manufactured or distributed by Bayer HealthCare LLC, owner of the registered trademark Phillips'). Gluten free. Contact us at 1-877-932-7948, or www.supervalu-ourownbrands.com.