Country Life’s Calcium Magnesium supplement helps to support bone health. The Target-Mins® formula is made with specific free-form amino acids and uses a calcium to phosphorus and calcium to magnesium ratio of 2:1 to support calcium utilization and the body’s availability of calcium. This healthful blend of calcium and magnesium contains 1000 mg calcium, 500 mg magnesium and 500 mg phosphorus per serving.