ByDr. Brennan Commerford, D.C.·Last reviewed: April 2026
All Ingredients
Botanical1 form

Cat's Claw (Uncaria tomentosa) Bark Extract

Preferred Form
Bark Extract
Form Score
Verification pending

The Cat's Claw (Uncaria tomentosa) Bark Extract form we carry

See how we score it — absorption, bioavailability & formulary tier

View score

Quick Answer

Which form of Cat's Claw (Uncaria tomentosa) Bark Extract do we use?

Bark Extract is the form of Cat's Claw (Uncaria tomentosa) Bark Extract we carry — the only form in our formulary.

All Forms of Cat's Claw (Uncaria tomentosa) Bark Extract

FormTierForm ScoreDose RangeUnit
Bark ExtractPreferred
Verification pending
——

What is Cat's Claw (Uncaria tomentosa) Bark Extract?

Cat's Claw (Uncaria tomentosa) Bark Extract is a Botanical supplement available in 1 form.

FormulaForge carries a single form of Cat's Claw (Uncaria tomentosa) Bark Extract, so there is no form to choose here. Forms on the market do differ in how well they absorb, which is why it is worth checking the form named on any product label.

The Form of Cat's Claw (Uncaria tomentosa) Bark Extract We Carry

Cat's Claw (Uncaria tomentosa) Bark Extract (3% Oxindole Alkaloids) Preferred (Preferred Form) has a bioavailability rating of good absorption.

What the Research Shows

Cat's Claw (Uncaria tomentosa) bark extract contains pentacyclic oxindole alkaloids (POAs) that modulate immune function and support healthy inflammatory pathways via NF-kB modulation. Clinical research supports its traditional Amazonian use for joint comfort and immune support, with standardized bark extracts providing consistent alkaloid profiles.

How to Choose the Right Form

Cat's Claw (Uncaria tomentosa) Bark Extract (3% Oxindole Alkaloids) is classified as Preferred Form by FormulaForge — our top recommendation for Cat's Claw (Uncaria tomentosa) Bark Extract. It carries a bioavailability rating of good absorption, meaning more of the active compound reaches your tissues per dose unit compared to lower-rated forms.

When choosing a Cat's Claw (Uncaria tomentosa) Bark Extract supplement, read the label for the specific form name — that is what determines how much you actually absorb. Preferred Forms have the strongest research-backed evidence for efficient absorption.

Other forms may be appropriate depending on individual goals, cost considerations, and your healthcare provider’s guidance. The best form for you depends on your specific health needs.

Dosing & Safety

Individual dose requirements vary based on health goals, body weight, and existing nutrient intake. Your healthcare provider can help you determine an appropriate amount of Cat's Claw (Uncaria tomentosa) Bark Extract for you.

Side Effects: Consult your healthcare provider regarding tolerability, particularly at higher doses.

These statements are based on structure/function research and have not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before starting or changing a supplement regimen.

Dosing Guidance

Individual dose requirements for Cat's Claw (Uncaria tomentosa) Bark Extract vary based on health goals, body weight, and existing dietary intake. A qualified healthcare provider can help you determine an appropriate amount for you.

Frequently Asked Questions

Which form of Cat's Claw (Uncaria tomentosa) Bark Extract is in our formulary?
Our formulary carries a single form of Cat's Claw (Uncaria tomentosa) Bark Extract: Bark Extract. It has bioavailability, meaning your body absorbs and uses it efficiently.
How much Cat's Claw (Uncaria tomentosa) Bark Extract should I take?
Dosing for Cat's Claw (Uncaria tomentosa) Bark Extract varies based on the specific form, your health goals, and individual factors. Consult a qualified healthcare provider for personalized guidance.
What does Cat's Claw (Uncaria tomentosa) Bark Extract support?
Cat's Claw (Uncaria tomentosa) Bark Extract is commonly used to support Botanical. Research suggests it plays a role in several physiological pathways. As with all supplements, these statements have not been evaluated by the Food and Drug Administration and Cat's Claw (Uncaria tomentosa) Bark Extract is not intended to diagnose, treat, cure, or prevent any disease.
Is Cat's Claw (Uncaria tomentosa) Bark Extract safe?
Cat's Claw (Uncaria tomentosa) Bark Extract is generally well-tolerated when taken at research-supported doses. As with any supplement, individual responses vary. Consult a qualified healthcare provider before use, especially if you are pregnant, nursing, have a medical condition, or take medications. These statements have not been evaluated by the Food and Drug Administration.

Ready to formulate with Cat's Claw (Uncaria tomentosa) Bark Extract?

Our formulary recommends Bark Extract for optimal bioavailability. Build your personalized formula now.

Start My Formula

Compare & Learn More

FormulaForge formulates and sells supplements containing the ingredients discussed on this page. Our formulary recommendations are based on peer-reviewed bioavailability research. All cited studies are independently verifiable.