Herbs
Marshmallow root
Also called: althaea officinalis
A root that forms a slippery gel.
- Why people take it
- Cough, sore throat.
- What the evidence says
- Little research.
- How it is usually taken
- As tea or 2 to 6 g of root a day.
- Be careful
- May slow absorption of medicines taken at the same time.
- Medicines it can interact with
- Slows absorption of other medicines; take them 2 hours apart. May lower sugar.
Other herbs
Common questions
What is Marshmallow root?
A root that forms a slippery gel.
Why do people take Marshmallow root?
Cough, sore throat.
Does Marshmallow root work?
Little research.
How much Marshmallow root do people take?
As tea or 2 to 6 g of root a day.
Is Marshmallow root safe?
May slow absorption of medicines taken at the same time.
Does Marshmallow root interact with medicines?
Slows absorption of other medicines; take them 2 hours apart. May lower sugar.
Sources and further reading
Last reviewed 31 October 2026. Written by Satya Babu.
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