Safeguard your intestinal health with the protective power of Swanson Black Walnut Hulls. Valued for centuries by Native Americans, this traditional digestive cleanser is featured in a convenient capsule form. Swanson Full Spectrum Black Walnut Hulls provide antioxidant support. They are a traditional digestive cleanser and a whole hull formula. Science-backed quality since 1969. Each capsule contains 500 mg of Black Walnut Hulls. Each bottle contains 60 capsules.