Immunadue is a natural multivitamin, multimineral, antioxidant and immune-booster that helps to balance your body's pH levels. When your body's pH levels are not balanced, it opens the door to sickness and illness. Immunadue has been on the market for more than 18 years! The ingredients in Immunadue have been clinically tested to help with a wide variety of sicknesses, illness and ailments.