Take 20-30 drops of extract in a small amount of warm water 3-4 times daily as needed. - TerraVita is an exclusive line of premium-quality, natural source products that use only the finest, purest and most potent ingredients found around the world. TerraVita is hallmarked by the highest possible standards of purity, potency, stability and freshness. All of our products are prepared with the highest elements of quality control, from raw materials through the - Mullein Leaf Glycerite Liquid Extract (1:5) - No Flavor (1 oz, ZIN: 513123): Mullein flowers, from the chemical point of view, have yielded a yellowish volatile oil, malic acid, phosphoric acid, potassium, sugar and gum. They owe their demulcent properties to this last substance. The same mucilaginous principles are also found in the leaves. In a decoction, they soothe stomach aches. The peasants in Norway also use this tea to help support coughs.