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Cat's Claw
(Uncaria tomentosa)

Limited research available·3/10
A higher score indicates better study conditions, but not necessarily effectiveness.

Traditional Amazonian vine supplement with limited evidence for immune and anti-inflammatory support.

Digestion & Gut HealthAnti-inflammatoryJoint HealtAntioxidantImmune Booster
dose range
300–500 mg
Divided into 2–3 doses with food.
Consumption
Take with meals to minimize gastrointestinal side effects.
Not fat-soluble.
Best time
Usually taken in the morning or with meals; do not exceed six months without medical supervision.

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Description

Cat’s Claw (Uncaria tomentosa) is an Amazon rainforest vine used in traditional medicine. It contains alkaloids and other phytochemicals believed to have anti-inflammatory and immune-modulating effects, but clinical evidence is modest and safety caution is warranted.

benefits
Main effects with level of evidence
Limited
Note on evidence

Small clinical trials suggest some benefit for osteoarthritis and immune function, but robust evidence from large-scale studies is lacking.

May support immune function

Limited

Limited studies suggest Cat’s Claw can stimulate certain immune responses, possibly improving resistance to infections.

Particularly relevant for: General Population · Immune Support Seekers
s1 · Healthline: Cat’s Claw Benefits, Dosage, and Side Effectss2 · Mount Sinai: Cat’s Claws3 · NCCIH: Cat's Claw

Potential anti-inflammatory effects

Limited

Some evidence from small randomized controlled trials indicates Cat’s Claw may help reduce pain and swelling in osteoarthritis or rheumatoid arthritis.

Particularly relevant for: Adults with inflammatory joint conditions
s2 · Mount Sinai: Cat’s Claws5 · Examine.com: Cat’s Claws7 · EMA Assessment Report: Uncaria tomentosa

Mild antioxidant properties

Limited

Contains compounds that may neutralize free radicals and contribute to cellular protection, but clinical impact is unclear.

Particularly relevant for: General Population
s1 · Healthline: Cat’s Claw Benefits, Dosage, and Side Effectss3 · NCCIH: Cat's Claws5 · Examine.com: Cat’s Claw

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This information is for educational purposes only and does not replace medical advice.
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This website is for educational and informational purposes only and does not constitute medical advice or professional services. The information provided should not be used to diagnose or treat any health problem or disease. Persons requiring medical advice should consult a licensed physician.