What is Mullein Leaf Native to Europe and other temperate regions, Mullein ( Verbascum thapus ) is a traditional herb that has been used in wellness practices for ages. The leaves of this unique plant contain naturally occurring plant compounds and antioxidants that provide a wide-range of nutritional benefits. How to Add to your Routine: There are many ways to add this traditional herb to your daily routine including tea, capsules, pills, tablets, powder, drops and liquid tinctures. Tinctures provide exceptional purity and potency and are easy to take daily. Looking for the best formula for your routine Horbaach Mullein Leaf: Look no further than Horbaach! Our vegetarian Mullein Leaf formula provides a super concentrated source of this abundant herb in one alcohol-free liquid extract. It's gluten-free, non-GMO and lab-tested to meet our exceptional standards of purity and potency.