Organic Black Walnut Hulls in a pure grain alcohol base. A popular herb rich in natural Iodine. Black Walnut has traditionally been used to treat hemorrhoids, intestinal worms, wounds and bruises. This herb has anti-fungal and anti-septic characteristics. It also has a thyroid stimulant effect since it is also high in iodine. This extract consists of Black Walnut Hulls in a base of 36-42% pure grain alcohol.