Bone Builder Capsules Provides 1,200 mg of calcium per day (six capsules) in easy-to-swallow capsule form. Bone builder Capsules features certified microcrystalline hydroxyapatite concentrate (MCHC), a complex crystalline compound composed of calcium, organic factors, and a full complex of trace minerals that naturally comprise of trace minerals that naturally comprise healthy bone. The formula also supplies vitamin D, boron, and magnesium for strong, healthy bones. Directions: Take two capsules up to three times daily with or without food.