When to take it
With food, once or twice a day.
← All supplements
OtherWeak evidence
Cat's claw
Also known as: Uncaria tomentosa, uña de gato
Cat's claw is an Amazonian vine whose bark is traditionally used for inflammation and immune support. Human evidence comes from a few small studies.
What it is used for
- Joint pain in osteoarthritis and rheumatoid arthritis – weak evidence
- Immunity – weak evidence
- Inflammation – weak evidence
Forms and how they differ
bark extract
common capsules; standardisation varies
bark tea
traditional form
Uncaria guianensis
related species, less studied
Pairs well with
Works well with omega-3 and curcumin for joints.
Do not combine / separate
Do not combine with blood thinners, immunosuppressants or blood pressure medicines without consulting your doctor.
Watch out for
Not suitable in pregnancy, breastfeeding or when trying to conceive. If you have an autoimmune condition, a transplant, a bleeding disorder, low blood pressure, liver or kidney disease or take medicines, consult your doctor.
Safety
May cause digestive upset and dizziness. Do not exceed the label dose.
Practical tip
For joint pain, regular exercise and weight management usually do more than herbs.
Products containing Cat's claw 4
Cat's claw Uncaria tomentosaUncaria tomentosa
Cat's claw 500 mgbark · 500 mg / capsule
Cat's clawliquid extract
Cat's clawtincture
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.
Check Cat's claw with othersWhich supplements do you actually need?
Fénix Methode picks them from your blood results and schedules when to take what – no needless purchases.
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.