Cal-Preg tablets are used to treat calcium deficiency in the body, and also contribute to preventing cancer and osteoporosis, in addition to many other diseases. Cal-Preg tablets contain the active ingredient calcium carbonate, which provides the body with the necessary amount of calcium it needs. Calcium is an essential element that contributes to building bones and teeth and helps prevent osteoporosis and bone weakness. It also plays an important role in the process of blood clotting, muscle contraction, and regulating the heartbeat, as well as maintaining the functions of the nervous system.