Goldenseal or Hydrastis canadensis contains calcium, iron, manganese, vitamins A, C, E, and B-complex, and other nutrients and minerals. It is a herbal antibiotic and immune system enhancer. Its numerous uses are attributed to its antibiotic, anti-inflammatory and astringent properties. It soothes irritated mucus membranes aiding the eyes, ears, nose and throat. Taken at the first signs of respiratory problems, colds or flu, it helps to prevent further symptoms from developing. It has also been used to help reduce fevers, relive congestion and excess mucous, and to regulate healthy liver and spleen functions