Support strong bones with Solgar Calcium Magnesium Citrate. Calcium is the primary mineral responsible for strong bones. The body also uses calcium for proper muscle contraction. A balanced diet, regular exercise, healthy lifestyle choices and adequate intake of Calcium can play a role in maintaining bone health. Magnesium also plays a role in proper bone mineralization, muscle contractions and nerve impulses. Free of gluten, wheat, dairy, soy, yeast, sugar, artificial flavor, sweetener and preservatives.