Breathe some life into your immune system and your health. A bright spot during seasonal changes, Solaray Mullein offers powerful respiratory support and much more. This sun-grown herb contains large amounts of a soluble fiber called mucilage that becomes a thick, gelatinous substance when coming in contact with water. This soothing gel may help coat and calm respiratory passages, support healthy bronchial function and may have a beneficial effect on your immune system. Solaray Mullein brings you 330 mg of the whole leaf in a vegetarian capsule, with no fillers or additives. And like all our products, Mullein is lab tested for purity and potency, part of the Solaray commitment to well-crafted, high quality supplements that just work better for your radiant health.