Herbs

Slippery elm

Also called: ulmus rubra

Inner bark that forms a soothing gel.

Why people take it
Sore throat, heartburn.
What the evidence says
Little research.
How it is usually taken
Usually 400 to 500 mg capsules or powder in water up to three times a day.
Be careful
May slow absorption of medicines taken at the same time.
Medicines it can interact with
Coats the gut and can slow absorption of other medicines; take them 2 hours apart.

Other herbs

Common questions

What is Slippery elm?

Inner bark that forms a soothing gel.

Why do people take Slippery elm?

Sore throat, heartburn.

Does Slippery elm work?

Little research.

How much Slippery elm do people take?

Usually 400 to 500 mg capsules or powder in water up to three times a day.

Is Slippery elm safe?

May slow absorption of medicines taken at the same time.

Does Slippery elm interact with medicines?

Coats the gut and can slow absorption of other medicines; take them 2 hours apart.

Sources and further reading

Last reviewed 31 October 2026. Written by Satya Babu.

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