Mycrocrystalline Hydroxyapatite (MCHA)is a natural compound that makes up the crystalline matrix of bone and teeth, and is the substance that gives them their rigidity. MCHA is a highly absorbable Calcium and Phosphorus, which are the major mineral components of bone. NOWr Bone Strength™ is a comprehensive bone support product providing 4 g (4,000 mg) of MCHA. It also contains Magnesium and Trace Minerals, as well as Vitamins C, D and K to aid in the synthesis and maintenance of bone tissue.* Details Serving Size: 6 Capsules Servings per Container: 20 Suggested Use: As a dietary supplement, take 6 capsules daily, divided in 1 - 3 doses, preferably with meals. Other Ingredients: Cellulose, Gelatin (capsule), Magnesium Stearate, Stearic Acid and Silica. Warnings: Please discard the inedible freshness packet enclosed. Disclaimers: *This statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease. .