Marshmallow Root
herbs
Marshmallow root is a traditional herbal remedy derived from Althaea officinalis, primarily used to soothe mucous membranes throughout the digestive and respiratory systems. It contains mucilage compounds that form a protective coating, historically employed in folk medicine for cough relief and digestive comfort.
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Benefits
Dosage
Typical Dose
1.5-2g dried root per dose
Upper Limit
3-6g daily in divided doses
Timing
Take 30 minutes before meals or as needed for throat comfort
Forms & Bioavailability
Dried root/powder
85%
Tea infusion
75%
Liquid extract
90%
Capsule
70%
Side Effects
Interactions
Research Summary
Limited clinical trials exist on marshmallow root; most evidence derives from traditional use and in vitro studies demonstrating mucilage's soothing properties. A small clinical study found marshmallow may reduce irritative cough symptoms, though larger randomised controlled trials are needed. Traditional use in herbal medicine spanning centuries provides empirical support, but robust scientific validation remains incomplete.
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The Bottom Line on Marshmallow Root
Marshmallow Root is moderately researched with promising but sometimes mixed evidence.It is most commonly used for soothes irritated mucous membranes in throat and digestive tract and may relieve cough and respiratory irritation. 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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Goal Guides for Marshmallow Root
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