- We have full confidence in the quality of our natural, organic, mullein herb supplements. Our nutritional products are made in the USA using only wildcrafted organic herbs. Mullein leaf extract is manufactured in the United States, and is Non-GMO, Vegan, & Lab Verified for potency & purity. - Mullein herb supplement may also function as an organic sleep aid and a natural cough soother. These mullein drops help to relax your nervous system so you can ease off into a deep sleep by stopping coughing all night and helping you breathe better, so you can be well-rested. - This organic mullein extract works as intended to assist and keep your digestive tract functioning like a well-oiled machine. The herbal extract is loaded with saponins and antioxidants that support digestion and relief from discomfort caused by indigestion, such as bloating or heartburn. -The mullein herb supplements are great for respiratory cleanse and defense, and are packed with the highest concentration of organic leaves and flowers. This product may help keep your nasal passageways unobstructed and give you better and faster improvement of your respiratory condition. - Mullein leaf liquid extract is highly recommended when detoxifying your lungs. Mullein contains mucilage which coats and soothes irritated mucous membranes. It also helps to cleanse bronchial tubes and strengthen your lungs. It's 100% essential for your lungs, and a good thing to have on hand.