Botanical
Marshmallow
Also known as: Althaea officinalis, Marshmallow, Althea, Marshmallow Root Extract
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.
Primary uses
- GI soothing
- GERD
- Dry cough
- Mucous membrane support
- Respiratory support
- Cough relief
- Sore throat soothing
- Digestive tract protection
How it works
- Creates mucilage coating
- Protects irritated tissues
- Soothes entire GI tract
- Traditional for dry cough
Dosage
- Typical range
- 2-5g dried root as cold infusion, or 500-1500mg capsules daily
- Timing
- Away from meals and medications
- With food
- Away from food for coating effect
- Duration
- As needed, generally safe long-term
- Special populations
- GERD, IBD, throat irritation
Forms
- Cold infusion
- Capsules
- Powder
- Powder extract· 70/100
- Dried root· 70/100
- Tea/decoction· 70/100
- Tincture· 70/100
Safety
Common side effects
- May slow medication absorption
Contraindications
- None significant
Evidence notes
Traditional demulcent, limited clinical research
Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.
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