Orally, marshmallow leaf and root are used for respiratory tract
mucous membrane inflammation, dry cough, inflammation of the
gastric mucosa, diarrhea, peptic ulcers, constipation, urinary
No concerns regarding safety when used in amounts commonly found
in foods. Marshmallow root has Generally Recognized As Safe
status (GRAS) for use in foods in the US.123 No
concerns regarding safety when used orally in medicinal
No concerns regarding safety when used
Pregnancy and Lactation: Insufficient reliable information
available. Refer to a Medical Herbalist.
There is insufficient scientific information available about the
effectiveness of marshmallow.
Mechanism of Action:
The applicable parts of marshmallow are the leaves and the root.
Marshmallow leaf and root contain mucilage sugars that can soothe
and protect mucous membranes from local irritation by forming a
protective layer.126,124,127,128,129,130 The mucilage
can inhibit mucociliary transport,126,127,130
stimulate ingestion of breakdown products by the
cell,126,130 suppress cough,126,127,131,132
increase the anti-inflammatory effects of topical
steroids126,127,130 and have blood sugar lowering
effect.126,124 The mucilage can also have
antimicrobial, anti-spasm, antisecretory, diuretic, and
Interactions with Herbs & Supplements:
Interactions with Drugs:
The mucilage in marshmallow might impair absorption of oral
Interactions with Foods:
Dr Clare’s Blends: 1gm/day.
Oral: For irritation of the mouth or pharynx and associated dry
cough, the typical dose of marshmallow is 2-5 grams of the dried
leaf, 5 grams of the dried root, or one cup of either leaf or
root tea three times daily.124
Sprecific References: MARSHMALLOW
123. FDA. Center for Food Safety and Applied Nutrition, Office of
Premarket Approval, EAFUS: A food additive database. Available
124. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A
Guide for Healthcare Professionals. London, UK: The
Pharmaceutical Press, 1996.
125. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American
Herbal Products Association's Botanical Safety Handbook. Boca
Raton, FL: CRC Press, LLC 1997.
126. Monographs on the medicinal uses of plant drugs. Exeter, UK:
European Scientific Co-op Phytother, 1997.
127. The Review of Natural Products by Facts and Comparisons. St.
Louis, MO: Wolters Kluwer Co., 1999.
128. Schulz V, Hansel R, Tyler VE. Rational Phytotherapy: A
Physician's Guide to Herbal Medicine. Terry C. Telger, transl.
3rd ed. Berlin, GER: Springer, 1998.
129. Martindale W. Martindale the Extra Pharmacopoeia.
Pharmaceutical Press, 1999.
130. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal
Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc.,