StackTerminal.Health

BETA

Cat's Claw (Uncaria tomentosa)

Cat's Claw is an Amazonian vine known for its anti-inflammatory and immune-modulating properties, potentially benefiting individuals with osteoarthritis and rheumatoid arthritis.

anti-inflammatoryimmunejoint-healthantioxidant
Evidence last reviewed: 20 Apr 2026
Supplement note
Private note on this supplement

Save how you reacted, what dose worked, what to watch for, or anything you want to remember later in your Notes tab.

Sign in to keep a private note on Cat's Claw (Uncaria tomentosa).
Biomarkers studied
Outcomes directly measured across the evidence records below
Immune
Immune Function
Evidence
3 records
Rheumatoid arthritis symptom reduction
Patients with rheumatoid arthritisRCT
PUBMEDModerate

Cat's Claw extract showed a reduction in the number of painful joints compared to placebo.

Dose: 300 mgDuration: 24 weeksForm: Pentacyclic alkaloid-chemotype extract
Osteoarthritis symptom improvement
Patients with osteoarthritisSystematic review
PUBMEDLow

Cat's Claw may improve symptoms of osteoarthritis, though more high-quality research is needed.

Dose: 300 mg
Immune modulation
General populationReview
PUBMEDVery low

Cat's Claw has potential as an immunomodulating adaptogen, though specific human studies are lacking.

Dose: 300 mg
Forms
Capsule
Commonly used for standardized dosing.
Powder
Can be mixed with liquids or foods.
Tincture
Liquid extract form for easy absorption.

Stacks containing Cat's Claw (Uncaria tomentosa)

Public community stacks that include this ingredient.

Explore all stacks →
joint-healthanti-inflammatorypain

Combining Hyaluronic Acid with Cat's Claw can support joint health and reduce inflammation. Hyaluronic Acid is known for its joint-lubricating properties, while Cat's Claw provides anti-inflammatory and immune support.

Hyaluronic Acid
80mg
Cat's Claw (Uncaria tomentosa)
300mg
New
View