Zinc sulphate is an inorganic compound. Zinc is important for growth and for the development and health of body tissues. Zinc is a naturally occurring mineral. Very small amounts of zinc are necessary for human health. Since the human body does not store excess zinc, it must be consumed regularly as part of the diet. It is also used for boosting the immune system. Improving growth and health in zinc-deficient infants and children, for treating the common cold and recurrent ear infections, and the flu. Zinc plays a vital role in supporting the immune system. It helps with the development and function of immune cells, promotes the production of antibodies, and assists in wound healing. Taking zinc sulphate supplements may help strengthen the immune system and reduce the duration and severity of colds and other respiratory infections.