Marshmallow is high in mucilage. This is a natural gummy substance that does not dissolve in water and soothes and heals mucus membranes and is helpful for symptomatic relief of coughs and irritated throats.
Marshmallow has expectorant and demulcent properties, which accounts for this herb’s historical use as a remedy for the respiratory tract, particularly in cases of irritating coughs with bronchial congestion and to alleviate heartburn.
