Mullein has a rich history of therapeutic use. As far back as Ancient Greece. As an expectorant, it is thought to help the body expel mucus that may settle in the chest. Research also shows that the plant may possess slightly sedative qualities that may assist in settling the lungs. Mullein leaf as a tea is caffeine free. The mild lingering astringency of the cup can easily be hidden by pairing the leaves with sweeter notes or adding sweetener. A box of 1oz. loose leaf tea and 12 biodegradable filters.