Overview
Althaea officinalis mucilage for cough.
- Whole dried plant material (root, leaf, flower, or aerial parts depending on the species)
- Standardized hydroethanolic or aqueous extract (capsule, tincture, or tea)
- Powdered traditional preparation used in Ayurvedic, TCM, or Western herbal practice
- Standardized extract capsule
- Liquid tincture (alcohol or glycerin)
- Powdered whole herb
- Traditional decoction or tea
Mechanism of action
Polysaccharide mucilage coats mucosa.
- · Polysaccharide mucilage coats mucosa
Effects on the body
Organ system effects
Marshmallow Root influences gut motility, mucosal integrity, or microbial balance in the GI tract.
Marshmallow Root modulates innate and adaptive immune responses, including cytokine signaling and barrier function.
Evidence-based benefits
Soothes cough and GI lining
Moderate evidencePotential side effects
- · GI upset rare
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Pregnant or breastfeeding (insufficient safety data)
- ·Children under 18 (unless directed by a clinician)
- ·Autoimmune disease (theoretical immune activation)
- ·Immunosuppressants
Supplement interactions
- Multi-strain probioticSupports microbiome diversity and barrier integrity.
- L-glutamineSubstrate for enterocyte energy and tight-junction maintenance.
- Vitamin D3 + K2Foundational immune modulation.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Third-party testedIndependently verified Marshmallow Root — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Marshmallow Root third party tested NSF
CapsulesPre-measured Marshmallow Root capsules — easiest for travel and consistent daily dosing without scoops or scales.Marshmallow Root capsules
PowderBulk unflavored Marshmallow Root powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Marshmallow Root powder unflavored
Best sellersMost-purchased Marshmallow Root products on Amazon — a quick way to see what's reviewed widely before you commit.Marshmallow Root best sellerScientific evidence8Show studiesHide studies
Marshmallow for cough
Buchner R, et al.
75 cough patients
Effective for irritation cough.
PubMed: Marshmallow Root — Soothes cough and GI lining
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PubMed: Marshmallow Root — randomized controlled trial
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