Herbs

Devil's claw

Also called: harpagophytum

A southern African root.

Why people take it
Back pain, arthritis.
What the evidence says
Some evidence for back pain and arthritis.
How it is usually taken
Usually 600 mg to 2.4 g of extract a day for back or joint pain.
Be careful
Stomach upset; avoid with stomach ulcers or gallstones.
Medicines it can interact with
May add to blood thinners; may irritate ulcers.

Other herbs

EchinaceaElderberryGarlic extractGingerPeppermint oilMilk thistleSaw palmettoSt John's wortValerianChamomileLemon balmPassionflowerKavaRhodiolaGinkgoMoringaFenugreekCinnamonBlack seedLicorice

Common questions

What is Devil's claw?

A southern African root.

Why do people take Devil's claw?

Back pain, arthritis.

Does Devil's claw work?

Some evidence for back pain and arthritis.

How much Devil's claw do people take?

Usually 600 mg to 2.4 g of extract a day for back or joint pain.

Is Devil's claw safe?

Stomach upset; avoid with stomach ulcers or gallstones.

Does Devil's claw interact with medicines?

May add to blood thinners; may irritate ulcers.

Sources and further reading

Last reviewed 31 October 2026. Written by Satya Babu.

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