SYS ONLINE
SUPPLEMENT_SCHOLAR
evidence · mechanism · dose
Supplements/Herb

Marshmallow Root

Althaea officinalis mucilage for cough.

Immune Function

Overview

Althaea officinalis mucilage for cough.

Natural sources
    Common forms

      Mechanism of action

      Polysaccharide mucilage coats mucosa.

      Pathways

        Effects on the body

        Organ system effects

        Evidence-based benefits

        Soothes cough and GI lining

        Moderate evidence

        Potential side effects

        Common
        • · GI upset rare
        Rare
          Serious

            Drug interactions

            No notable interactions reported.

            Safety & non-supplemental interactions

            Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.

            Avoid if you are
            • ·Pregnant or breastfeeding (insufficient safety data)
            • ·Children under 18 (unless directed by a clinician)
            Avoid with these conditions
            • ·Autoimmune disease (theoretical immune activation)
            Avoid / monitor with these medications
            • ·Immunosuppressants

            Supplement interactions

            Pairs well with

            None listed.

            Avoid combining with

            No specific avoidances listed.

            Dosing & bioavailability

            Typical dose
            3–5 g

            Where to buy

            Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.

            Herb
            Marshmallow …
            Amazon
            Wide selection · fast shipping
            Herb
            Marshmallow …
            iHerb
            Global delivery · curated brands
            Herb
            Marshmallow …
            Thorne
            Practitioner-grade · NSF tested

            Scientific evidence (8)

            RCTActa Pharm · 2011

            Marshmallow for cough

            Buchner R, et al.

            75 cough patients

            Key findings

            Effective for irritation cough.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Marshmallow Root — Soothes cough and GI lining

            Live PubMed search

            Live results for "Marshmallow Root Soothes cough and GI lining" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Marshmallow Root and "Soothes cough and GI lining". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Marshmallow Root — randomized controlled trial

            Live PubMed search

            Live results for "Marshmallow Root randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Marshmallow Root and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Marshmallow Root — meta-analysis

            Live PubMed search

            Live results for "Marshmallow Root meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Marshmallow Root and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Marshmallow Root — pharmacokinetics

            Live PubMed search

            Live results for "Marshmallow Root pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Marshmallow Root and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Marshmallow Root — safety adverse events

            Live PubMed search

            Live results for "Marshmallow Root safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Marshmallow Root and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Marshmallow Root — dose response

            Live PubMed search

            Live results for "Marshmallow Root dose response" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Marshmallow Root and "dose response". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewGoogle Scholar · 1970

            Google Scholar: Marshmallow Root — clinical evidence

            Live Scholar search

            Cross-database citation index for Marshmallow Root as it relates to "clinical evidence".

            Key findings

            Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

            Open study
            Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.