Slippery elm or Ulmus rubra (Latin for “red elm,” so called for its lovely reddish bark) is a beautiful, native North American elm tree. It’s the inner bark of this tree that is actually called “slippery elm” due to its, yes, slippery, smooth, and slimy-in-a-good-way properties. Combined with licorice and marshmallow root, we think this tea blend is like taking your voice to the spa—because we all need a little comfort sometimes so we can get back to being our best.