Natures' Answer Alcohol-Free Mullein Leaf, 1-Fluid Ounce Go to amazon.com Related posts Which is the best mullein oil? The 13 best mullein tincture for 2022 How to buy the best mullein herb? Check expert advices for mullein leaf? FeaturePromotes healthy mucus membranesSuper concentrated formulaKosher and Gluten free1:1 Extract DescriptionNature's Answer Mullein Leaf promotes healthy mucous membranes