One of the best single-botanical mullein formulas on the market, our True Herbs Mullein delivers a potent dose of this traditional herb—renowned for its soothing properties—to powerfully support your wellness.* Expertly formulated with 330 mg of mullein per serving to help promote overall health and wellness* Though clinical studies are needed to confirm its benefits, the herb has been traditionally used for respiratory support* Mullein contains large amounts of mucilage, a gelatinous soluble fiber believed to be the source of the botanical’s soothing effects* Made with only the highest-quality, Non-GMO Project Certified whole mullein leaf