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Cat's Claw

Uncaria tomentosa

Limited Evidence evidence: limited

Scientific Summary

Cat’s Claw (Uncaria tomentosa) is a woody vine whose dried bark is harvested and used as an herbal remedy. It is commonly taken to support immune function, reduce inflammation, and help manage symptoms of rheumatic diseases and other inflammatory conditions. Because it can affect immune activity and blood clotting, it may interact with immunosuppressants or anticoagulants, is not recommended during pregnancy or near surgery, and can cause mild digestive upset or headaches in some users.

Source: WHO Monographs on Selected Medicinal Plants (Vols 1-3), Trease & Evans Pharmacognosy 16th ed

About Cat's Claw

Scientific NameUncaria tomentosa
Safety Rating Limited Evidence
Evidence Levellimited

Products Containing Cat's Claw

492 verified labels

A varied selection from the NIH DSLD database. Ingredient amounts are per serving.

Buried Treasure Liquid Nutrients ACF Extra Strength 100 mg per serving · Liquid View label details → Adam's Vitality Logos Nutritionals Adam's Vitality 45 mg per serving · Capsule $31.64 · View label details → CES Nutrition Advanced Artho Rx 20 mg per serving · Capsule View label details → OL Olympian Labs Advanced Immune Complex 250 mg per serving · Capsule View label details → Alpha Brain Onnit Alpha Brain 350 mg per serving · Capsule $136.76 · View label details → Bacterial Defense Vibrant Health Bacterial Defense 50 mg per serving · Capsule $30.60 · View label details → AdvoCare BioCharge 100 mg per serving · Powder View label details → Vinco Bowel Detox 125 mg per serving · Tablet or Pill View label details → Vinco's Bowel Detox 125 mg per serving · Tablet or Pill View label details → EC Sports Brain Boost+ Cherry Limeade 300 mg per serving · Powder View label details → NooCube Brain Productivity 175 mg per serving · Capsule View label details → Cat's Claw Swanson Cat's Claw 1 g per serving · Capsule $24.07 · View label details →

Browse 208 products labelled “Cat's claw” →

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Research

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