Other Information: Each tablespoon (15 ml) contains: magnesium 500 mg. Store at room temperature and avoid freezing. Close tap tightly after use. Misc: No. 1 doctor recommended milk of magnesia. Stimulant free. Comfortable cramp free relief. Genuine milk of magnesia. Sugar free. Cramp free. Questions or comments? 1-800-986-0369 (Mon-Fri 9AM-5PM EST) or www.bayercare.com. Made in USA.