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Planetary Herbals has a long track record in evidence-informed botanical formulation, and their Cat's Claw is a clean single-herb preparation of Uncaria tomentosa — the species with the better-researched alkaloid profile. We include it for patients with a specific interest in herbal immune support, and because it fits neatly into a routine without complex dosing. We always advise checking for medication interactions before starting any new herbal supplement.
About this product
Cat's Claw
Cat's Claw is a herbal supplement derived from Uncaria tomentosa, a woody vine native to the Amazon rainforest and long used in traditional South American medicine. The bark and root contain oxindole alkaloids and other plant compounds that are studied for their potential to modulate immune function and reduce markers of inflammation. Planetary Herbals is a well-regarded herbal brand with a longstanding commitment to traditional botanical knowledge, and their Cat's Claw tablet is a straightforward single-herb preparation.
This supplement suits people looking to support immune resilience, particularly those interested in evidence-informed herbal medicine alongside a conventional wellness routine. It may also be of interest to individuals managing low-grade inflammation, though it is not a replacement for medical treatment of any diagnosed condition.
Cat's Claw is not a fast-acting supplement. Most herbal practitioners suggest consistent daily use over several weeks before assessing its effect. As with many botanical preparations, the quality of the raw material matters considerably — Uncaria tomentosa should be distinguished from Uncaria guianensis, a related but pharmacologically distinct species. Follow the dosage on the packaging and check with a clinician if you are taking immunosuppressant medications or anticoagulants, as interactions are plausible at the class level.
What it does
Benefits
- 01
May support immune function with daily use
- 02
Studied for modulating low-grade inflammation
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Single-herb Uncaria tomentosa preparation
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Rooted in Amazonian traditional botanical medicine
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Suits those building a herbal wellness routine
Get the most from it
How to use
Follow the dosage on the packaging. Take with a meal to reduce the chance of digestive discomfort, which is occasionally reported with concentrated herbal tablets. Consistent daily use over several weeks is generally recommended before evaluating effect.
What's inside
Ingredients
View full ingredient list
Cat's Claw (Uncaria tomentosa)
Common questions
Frequently asked
What does Cat's Claw actually do?
Uncaria tomentosa contains oxindole alkaloids and polyphenols that are studied for their potential to support immune function and reduce inflammatory markers. The evidence is preliminary but consistent enough to make it a credible choice within a broader wellness routine. It is not a treatment for any specific condition.
How long before I notice any effect?
Herbal supplements of this class typically require consistent daily use over four to eight weeks before any noticeable change. If you have not observed any benefit after that period, it is worth reassessing with a clinician whether this is the right product for your needs.
Is it safe to take alongside other medications?
Cat's Claw may interact with immunosuppressant drugs and anticoagulants at the class level, so if you are taking either, speak with your GP or pharmacist before starting. It is generally well tolerated in healthy adults when taken as directed.
What is the difference between Uncaria tomentosa and Uncaria guianensis?
They are related Amazonian vines but are pharmacologically distinct. Uncaria tomentosa has the more extensively studied alkaloid profile and is the species most herbal practitioners refer to when discussing Cat's Claw. Always check the Latin name on the label to confirm which species you are buying.
Who should avoid this supplement?
Cat's Claw is not recommended during pregnancy or breastfeeding. People with autoimmune conditions, those scheduled for surgery, or anyone taking blood-thinning or immunosuppressant medication should consult a clinician before use. Check the packaging for any additional contraindications listed by the manufacturer.
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