Ion-Mag Complete Ionic Magnesium Supplement From Seawater | Low Sodium MEDICINAL INGREDIENTS CONTAINED IN 40 DROPS (2.60 ML): Magnesium - 280 mg (Concentrated Desalinated Inland Sea Water from the Great Salt Lake, Utah – 1.9 g at 14.78%). NON-MEDICINAL INGREDIENTS: Inland Sea Water from the Great Salt Lake, Utah. Magnesium is a factor in the maintenance of good health. It helps to metabolize carbohydrates, proteins and fat, and to maintain proper muscle function. It also contributes to the development and maintenance of bones and teeth. Ion-Mag is extracted directly from a natural source that took thousands of years to create. Over Adults Add 10 to 20 drops to a glass of water or beverage, once or twice a day.