Natural Factors Lung, Bronchial & Sinus Health is an all-natural formula designed by Dr. Murray to nourish and support the entire respiratory system. Natural Factors new Lung, Bronchial and Sinus Health is a new cutting-edge formulation that can really help those with chronic respiratory problems breathe easier. Dr. Murray's Lung Bronchial and Sinus Health  is a useful adjunct for anyone with asthma, bronchial congestion, and sinus problems. It's also ideal for the rest of us who have occasional hay fever, or have to deal with air pollution, such as car exhaust and second hand smoke. Lung Bronchial and Sinus Health can even help us get rid of a cold that seems to hang on too long. Natural Factors Dr. Murray's Lung Bronchial & Sinus Health contains no artificial preservatives, color or sweeteners; no dairy, gluten, wheat or yeast.