Helps build and support strong bones Promotes energy production and muscle relaxation Supports cardiovascular health The better answer for strong, healthy bones! Calcium may get most of the attention, but nutritionists will tell you that it takes more than calcium to maintain strong bones; it takes a healthy ratio of calcium to magnesium. This special mineral formula features the ideal 2-to- 1 ratio of calcium to magnesium with 150 mg of calcium and 75 mg of magnesium per capsule.