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Fénix Methode

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OtherWeak evidence

Devil's claw

Also known as: Harpagophytum procumbens

Devil's claw is a southern African plant whose root contains harpagoside and other iridoid glycosides. It is used for back and joint pain, where it may bring a modest improvement.

What it is used for

  • osteoarthritis joint pain – weak to moderate evidence
  • lower back pain – weak to moderate evidence from smaller studies

Forms and how they differ

extract standardised to harpagoside

the best studied form

tincture

the active content is harder to estimate

dried root / tea

bitter, with variable content

When to take it

With food; usually judged after 4–8 weeks.

Pairs well with

Movement, strength training, weight management; possibly boswellia or turmeric.

Do not combine / separate

Do not combine with blood thinners or diabetes or blood-pressure medicines without asking your doctor.

Watch out for

Do not use during pregnancy or breastfeeding, or with stomach or duodenal ulcers or gallstones. If you have heart disease, diabetes, kidney or liver disease, or take medicines, consult your doctor.

Safety

Do not exceed the label dose; digestive upset (diarrhoea, nausea) is most common.

Practical tip

Tinctures contain alcohol – if you need to avoid it, choose capsules with a standardised extract.

Products containing Devil's claw 1

Devil's clawtinctureJointsInflammation
How to read the evidence rating
Strong evidenceModerate evidenceWeak evidenceNo evidence

Strong = several good human studies or official recommendations; moderate = promising but smaller studies; weak = few studies or mixed results; no evidence = claims not confirmed.

Combination check

Select the supplements you take and, if relevant, your medicines. We show what interferes, what needs a time gap and what to watch out for.

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From the same group

AlfalfaNo evidenceAndrographisWeak evidenceAroniaWeak evidenceBarley grassWeak evidenceBee pollenWeak evidenceBeef organs (desiccated)Weak evidence
Important notice

This information is educational and does not replace advice from a doctor or pharmacist. We do not give medicine dosages. Supplements are no substitute for a varied diet; if pregnant, breastfeeding, ill or on medication, consult a doctor first.