More than just calcium is needed to maintain strong bones.  It takes a healthy balance of calcium and magnesium.  This formura features the ideal 2:1 ratio of calcium to magnesium in each serving.

Supplement Facts
Serving Size 2 capsules   Suggested Use 3 times daily
Amount Per % Daily   Serving Value
Calcium (from calcium citrate) 300 mg 30%
Magnesium (from magnesium oxide) 150 mg 38%

Other ingredients: Gelatin, magnesium stearate, aspartic
acid.