LifeSource Vitamins Cat’s Claw 1000 mg — 90 Vegetarian Capsules
Our Cat’s Claw capsules deliver 1000 mg of organic Uncaria tomentosa (inner bark) per serving to support immune function, promote a healthy inflammatory response, provide antioxidant protection, support joint comfort and mobility, aid digestive health, and promote overall vitality and wellness* — while respecting traditional use. Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity and potency by LifeSource Vitamins.
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Supports immune function* — Oxindole alkaloids modulate immune markers in human and clinical contexts.* NIH/PubMed — Reis SRIN, 2008
✓ Promotes healthy inflammatory response* — Clinical data report reductions in inflammatory symptoms/markers.* NIH/PubMed — Piscoya J, 2001
✓ Supports antioxidant protection* — Polyphenols/alkaloids help limit oxidative stress in reviewed studies.* NIH/PubMed — 2005
✓ Promotes joint comfort & mobility* — Randomized evidence shows improvements in joint comfort in osteoarthritis patients.* NIH/PubMed — Piscoya J, 2001
✓ Supports digestive/GI comfort* — Clinical overviews support traditional use for digestive wellness.* NIH Bookshelf — LiverTox, 2019
✓ Supports cellular/DNA protection (adjunct)* — Extracts reported to support DNA repair pathways in studies.* NIH/PubMed — 2005
✓ Promotes oxidative/inflammatory marker improvements* — Reviews summarize favorable changes in redox/inflammation endpoints.* NIH/PMC — Riva L, 2020
✓ Supports immune cell modulation* — Human/clinical contexts show modulation of cytokine activity.* NIH/PubMed — Reis SRIN, 2008
Additional / Promising Evidence
✓ May support cardiovascular wellness* — Early evidence for vascular/endothelial support in studies.* NIH/PubMed — 2021
✓ May support blood sugar modulation* — Preliminary data on glucose metabolism.* NIH/PubMed — 2018
✓ May support neuroprotection (emerging)* — Experimental work suggests neuronal support.* NIH/PubMed — 2011
✓ Supports DNA repair/cytoprotection (lab & pilot)* — Support for DNA repair pathways in models.* NIH/PubMed — 2005
✓ Promotes antioxidant mechanisms* — Phenolic constituents demonstrate free-radical scavenging.* NIH/PubMed — 2005
✓ Supports inflammation pathways* — Reviews outline modulation of key cytokines/mediators.* NIH/PMC — Riva L, 2020
University-Led & Academic Studies
✓ Supports joint comfort in clinical trials* — Double-blind trial in osteoarthritis patients reported improved joint comfort.* NIH/PubMed — Piscoya J, 2001
✓ Promotes immune modulation mechanisms* — Human/clinical contexts and mechanistic work describe oxindole-alkaloid–driven effects.* NIH/PubMed — Reis SRIN, 2008
✓ Supports inflammatory pathways & antioxidant co-benefits* — Academic studies show effects on NF-κB and cytokine signaling.* NIH/PubMed — Sandoval-Chacón M, 1998
✓ Promotes clinical overviews & safety notes* — NIH Bookshelf summaries catalog traditional GI/immune uses.* NIH Bookshelf — LiverTox, 2019
Global Evidence & Reviews
✓ Supports systematic review/meta-analysis on anti-inflammatory & immunomodulatory activity* — In vivo evidence with low toxicity.* NIH/PubMed — Arado GM, 2024
✓ Promotes broad pharmacology review* — Summarizes antioxidant, anti-inflammatory, antiviral and analgesic profiles.* NIH/PMC — Riva L, 2020
✓ Supports toxicology & safety review* — Notes low acute/subacute oral toxicity and no clear genotoxic signal.* NIH/PubMed — Valerio LG, 2005
✓ May support metabolic context (adjunct)* — Discusses glucose/NAFLD endpoints as emerging areas.* NIH/PMC — Araujo LCC, 2018
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
- Organic Cat’s Claw Inner Bark (Uncaria tomentosa) — 1000 mg per serving — Studied for immune modulation, healthy inflammatory response, antioxidant protection, and joint/digestive support.*
Brief Benefit Bullets
- Supports immune function*
- Promotes healthy inflammatory response*
- Provides antioxidant protection*
- Supports joint comfort & mobility*
- Aids digestive health*
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3rd-party tested for purity & potency*
Suggested Use
Take 2 capsules, 1–2 times daily with food, or as directed by a healthcare professional. Do not exceed recommended dose. Consult your physician if taking medications or if pregnant/nursing.*
Product Specifications
Serving Size — 2 Vegetarian Capsules
Servings Per Container — 45
Active Ingredient — Cat’s Claw Inner Bark (Uncaria tomentosa) 1000 mg
Free From — Non-GMO, gluten-free, no artificial preservatives*
Quality — Third-party tested for identity, potency & purity
Every LifeSource Vitamins product is 3rd-party lab tested for purity, potency, and label accuracy — because you deserve transparency and trust in every capsule.
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Cat’s Claw 1000 mg — 90 vegetarian capsules. Immune & inflammatory support; non-GMO, gluten-free, 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
