Garlic 3000mg contains pure garlic oil which provides a rich source of allicin and sulphides. which are responsible for its beneficial properties. Garlic helps to stimulate the body's natural resistance to infections. Garlic stimulates the immune system and enhances the body’s resistance to viral and bacterial infections including colds and influenza. Garlic works by promoting phagocytosis and enhancing the ability of white blood cells to fight infections. It also stimulates other immune cells such as macrophages and T-cells to fight bacterial and viral infections.