Slippery Elm
herbs
Slippery elm is a traditional herbal remedy derived from the inner bark of the Ulmus rubra tree, traditionally used to soothe and protect mucous membranes throughout the digestive tract. It contains mucilage, a gel-like substance that coats the throat and gastrointestinal tract, making it popular for respiratory and digestive support.
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Benefits
Dosage
Typical Dose
1-2 grams (approximately 1-2 teaspoons) per dose
Upper Limit
4-6 grams daily divided into multiple doses
Timing
30 minutes before or 2 hours after meals, or as needed for throat soothing
Forms & Bioavailability
Powdered bark
high
Capsules
high
Lozenges
high
Tea/decoction
high
Side Effects
Interactions
Research Summary
Slippery elm has been used traditionally for centuries, though clinical evidence remains limited. Some small studies suggest it may help reduce cough and soothe throat irritation, but larger randomised controlled trials are needed to establish efficacy for gastrointestinal conditions. The traditional use is well-supported by herbalists, though the scientific evidence base is moderate.
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The Bottom Line on Slippery Elm
Slippery Elm is moderately researched with promising but sometimes mixed evidence.It is most commonly used for soothes inflamed throat and cough relief and protects and coats the oesophagus and stomach lining. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
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