What is the recommended dose of Marshmallow Root?

- **Look for:** Althaea officinalis root (not leaf — root has higher mucilage); cold-water extract or standardized to mucilage/polysaccharide content; root powder for tea; 500-1,500mg per serving -...

Is Marshmallow Root safe to take daily?

Marshmallow Root is rated "Generally Safe" based on clinical evidence. Always consult your healthcare provider before starting any supplement.

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Ingredient Research

Graded against 173,636 supplements + 177 published clinical interactions, sourced from PubMed, FDA CAERS, openFDA, NIH DSLD

Marshmallow Root

MODERATE EVIDENCEBotanicalLast updated

AVELOR SUMMARY

Marshmallow root contains mucilage — a water-soluble polysaccharide gel that coats and soothes irritated mucous membranes throughout the GI tract. Our research shows this is the classic demulcent herb: it physically forms a protective gel layer over inflamed tissue (throat, esophagus, stomach, intestines). A 2010 study confirmed marshmallow root extract reduced dry cough severity comparably to codeine-based cough syrups without sedation. The European Medicines Agency (EMA) granted it traditional herbal medicine status for both throat/cough irritation and gastric inflammation. The mucilage content (10-35% by weight) physically protects tissue — this is MECHANICAL action, not pharmacological.

WHAT IT DOES

Marshmallow mucilage is a mixture of polysaccharides (galacturonorhamnans, glucans, arabinogalactans) that: (1) form a viscous bioadhesive gel that coats mucous membranes — this PHYSICAL barrier protects tissue from acid, enzymes, and irritants (the mechanism is primarily MECHANICAL, not pharmacological); (2) stimulate epithelial cell proliferation — promoting mucosal repair; (3) activate macrophages — mild immune modulation; (4) inhibit mucociliary transport rate — reducing cough reflex by coating irritated sensory nerve endings in the pharynx. The cold-water extraction is essential because heat denatures the polysaccharide gel structure.

OPTIMAL DOSAGE

Look for: Althaea officinalis root (not leaf — root has higher mucilage); cold-water extract or standardized to mucilage/polysaccharide content; root powder for tea; 500-1,500mg per serving
Avoid: Hot-water-only preparations (destroys mucilage); leaf-only products (lower mucilage than root); products not specifying plant part
Minimum effective dose: 2g dried root (cold infusion) or 500mg extract
Third-party tested brands: Traditional Medicinals (Throat Coat), Gaia Herbs, Nature's Way

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SAFETY PROFILE

Moderate Interactions (Monitor Closely)

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Independently graded against 173,636 indexed supplements with 177 published clinical interactions, sourced from PubMed, FDA CAERS, openFDA, and NIH DSLD | Last updated:

Not medical advice. Based on published clinical research and systematic reviews.

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