Respiratory and Digestive Health Herbal Supplement Native American Herb Traditional Support for Digestive Health Traditional Support for Respiratory Health Science-Backed Quality Since 1969 A popular Native American herb, Slippery Elm Bark has been used for a variety of health applications but is best known as a favorite for respiratory and gastrointestinal health. Swanson Slippery Elm Bark soothes the mucous membranes of the throat and bronchial passages to promote a healthy respiratory system. Each capsule delivers 400 mg of slippery elm bark powder. Carefully sourced, ensuring authentic and high-quality items. Refer to manufacturer for more information.