Also known as: Ulmus rubra, Red Elm, Indian Elm
Slippery elm is a demulcent herb derived from the inner bark of Ulmus rubra, rich in mucilage polysaccharides. It forms a protective gel over mucosal surfaces and is traditionally used for soothing the gastrointestinal tract and throat irritation.
Slippery elm (Ulmus rubra) inner bark contains high concentrations of mucilage—complex polysaccharides that swell with water to form a viscous, soothing gel. This mucilage coats and protects the mucosal lining of the esophagus, stomach, and intestines, acting as a physical barrier against acid reflux and irritation. The bark also contains antioxidant phenolics, tannins, and prebiotic oligosaccharides that may support beneficial gut bacteria. In clinical and observational studies, slippery elm has shown improvement in symptoms of gastroesophageal reflux disease (GERD), irritable bowel syndrome (IBS), and inflammatory bowel disease (IBD) as part of herbal formulations. The FDA has classified slippery elm as a safe and effective oral demulcent for soothing throat and minor oral irritation. It is available as powder, lozenges, capsules, and teas.
Slippery elm mucilage forms a protective coating over irritated mucosal surfaces, providing symptomatic relief in GERD, gastritis, and IBS. Observational studies and a pilot trial using a multi-herb formulation including slippery elm showed significant symptom improvement.
The FDA recognizes slippery elm as an effective oral demulcent. Its mucilage provides a soothing coating that reduces throat discomfort and dryness.
2–3 times daily, 20 minutes before meals or at bedtime
Mix powder in warm water to form a gel before consumption. May slow absorption of concurrently taken medications—space by 2 hours.
Maximum mucilage content and GI tract coating
Throat soothing and convenience
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