Slow Mag Magesium Chloride with Calcium Description An Essential Mineral for Your Health Proper magnesium levels are required to help maintain: Good cardiovascular health Normal heart rhythms Proper muscle function The Magnesium Supplement That Provides: Magnesium chloride for increased absorption versus magnesium oxide Enteric coating to help prevent stomach upset 238 mg of calcium per 2 tablet serving. Directions As a dietary supplement, take 2 tablets once or twice a day or as directed by your physician. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.