A certified organic single herb tincture of mullein leaf (Verbascum thapsus). Dry Herb / Menstruum Ratio 1:2 Mullein leaf may help support the body's respiratory system to rid the buildup of mucus, as well as potentially support relief from other respiratory ailments.* The Ra Herbals line focuses exclusively on single-herb extracts from Southern Oregon. These tinctures are extracted using a slow, cold-process method practiced by herbalists for thousands of years. We only use certified organic or wildcrafted medicinal herbs in our products. *These statements have not been evaluated by the FDA. They are not intended to treat, cure, or prevent