Osha Root contains a wide variety of constituents with unique properties including alkaloids, pthalides, furanocoumarins, terpenoids, and phenolic compounds that may provide the following beneficial effects: support the normal mucous membrane barriers of the upper and lower respiratory tract, promote activity of white blood cells of the lungs to maintain our defense against infection, provides antimicrobial properties to help the body rid itself of foreign invaders, antioxidant support, promote normal lung function and breathing to maintain respiratory function, support hormone balance to assist the body in adapting to stressors and promote a sense of well-being. Our liquid herbs are the purest, and processed individually to ensure maximum efficacy. Due to their potency, we strongly recommend you seek the guidance from a Wellness Way Doctor with any questions you may have regarding the use of this herb.