Dr Willmar Usnea Barbata Q Mother Tincture 30 ML is used for supporting the immune system. It helps alleviate symptoms of congestive headaches, and sunstroke and provides support for issues related to the urinary and respiratory systems. With its potent antimicrobial properties, it is effective against various harmful bacteria, including Micrococcus viradans, Enterococcus faecalis, and Staphylococcus aureus. This tincture contributes to improving overall health and offers relief from infections affecting the eyes, sinuses, ears, and bladder.