Curd is a wonderful source of zinc. The presence of live and active cultures in curd will help stimulate your immune system and help you fight diseases. A healthy gut means a strong immune system. Curd rice, the comfort meal that every South Indian swears by has already been declared a superfood as it's a good source of protein, calcium and has high amounts of calcium. Temper your curd rice with spices, curry leaves, pomegranate seeds, cucumber and savour it to the fullest. Thayir Sadam, Mosaranna or dahi chawal, call it as you want, but ensure you include it in your diet.