St Francis Deep Immune Licorice Free - Used primarily as an antiviral to tonify a weak immune system. Deep Immune Licorice Free reinforces the basic functions of the body and helps maintain physiological and psychological equilibrium. It has a strengthening effect on our body's "deep immune" system, nourishing its very bone marrow and enabling it to produce more immune reserves. Can be used to counteract the debilitating effects of surgery, chemotherapy, and radiation, as well as autoimmune and immune deficiency diseases.