Helps Coat and Soothe GI Tract* Slippery elm, also known as red elm, moose elm or Indian elm, is a small North American tree that has been traditionally used by herbalists for over 100 years. It was reportedly used by native North Americans and early settlers as a survival food. Its bark is known for its mucilage constituents, which can help to coat and soothe the tissues of the GI tract.* Natural color variation may occur in this product.