Mullein has long been used in herbal medicine, especially in remedies that aim to soothe the respiratory tract including for flu and ear infections.In lab tests published in 2002, researchers found that mullein helped kill certain types of bacteria, including Staphylococcus aureus (the most common cause of staph infections) and Escherichia coli (or E. coli).Herbalists typically use mullein to address the following health problems: upper respiratory infections, coughs, bronchitis and asthma.Contains Alcohol, Parve K