Also known as: Althaea officinalis, Marshmallow, Althea, Marshmallow Root Extract, marshmallow root
Marshmallow root is a traditional herbal remedy rich in mucilage polysaccharides that may support respiratory and digestive tract health by forming a protective coating. Limited modern clinical evidence exists, though traditional use and preliminary in vitro studies suggest potential demulcent properties.
As needed, generally safe long-term
GERD, IBD, throat irritation
We haven’t curated landmark studies for Marshmallowyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Traditional demulcent, limited clinical research
Consult healthcare provider
Safe
Highest-scored catalog products containing Marshmallow, ranked by our scoring engine.
Browse all Marshmallow products →Other ingredients in the Botanical category.
Formulate Research Team. (2026, September). Marshmallow — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/marshmallow
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.