Vocal Immunition was created to help voice professionals battle colds, flu, fatigue and infection. It is the most complete immune support product of its kind. This natural formula helps to stimulate and strengthen the immune system using time-tested immune-boosting ingredients like echinacea, goldenseal, elderberry, wild oregano and garlic. One key ingredient, reishi mushroom, helps to defend the body against tumor growths and cancer, while detoxifying the body and improving liver function. This product is not only designed to fight colds and flu, but it can also prevent recurring infection.