Carob Light Roasted (Ceratonia siliqua). Carob is a tropical pod that contains a sweet, edible pulp and inedible seeds. It is rich in a number of nutrients and antioxidents and may help lower cholesterol levels. lt is also naturally high in calcium. In addition to keeping your bones healthy and strong, calcium is essential to blood clotting, transmitting information along your nerves and maintaining a regular heartbeat. It also has Selenium which is important for healthy thyroid function, the production of DNA and defending your body from infection and oxidative harm.