Composition per capsule: Active ingredients: Calcium Carbonate 500 mg (200 mg of Calcium), Heavy Iron Oxide 100 mg (60.3 mg of Magnesium), Vitamin D3 3 µg Inactive ingredients: Sorbitol, Vegetable Magnesium Stearate, and Silicon Dioxide. Calcium with vitamin D acts synergistically benefiting bones and teeth. Calcium is a mineral that the body stores and distributes according to its needs. It plays a role in the proper functioning of bones, teeth, heart, muscles, and brain. In fact, calcium is a key mineral for the proper functioning of the heart, as it could not beat without it. Calcium, sodium, and potassium are the minerals responsible for converting sugars into energy for the body. It participates in the nervous and muscular system: Calcium plays a very important role in the blood, as it is responsible for transporting and returning calcium to the areas of the body that need it. It also helps to fix calcium and phosphorus, maintaining bones and teeth in good condition. It improves the appearance of the skin and helps the body when it is lacking sunlight. Directions for use: As a dietary supplement, take one tablet per day.