Cat’s Claw 1000 mg — 90 Vegetarian Capsules — Peruvian Rainforest Immune & Inflammatory Support*
Cat’s Claw (Uncaria tomentosa, Uña de Gato) is a revered Peruvian rainforest herb traditionally used to support immune health and overall vitality.* Our vegetarian capsules provide 1000 mg of inner bark. Produced in FDA-registered, GMP-certified facilities and
3rd-party lab tested for purity, potency & label accuracy.*
Research Promise: Every benefit below is supported by human clinical studies indexed in the NIH via PubMed, with full texts in PMC when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep guidance aligned with credible science.*
Clinically Studied Benefits (with research)
• Immune support* — Oxindole alkaloids modulate immune function.
(
NIH/PubMed — 2008;
NIH/PubMed — 2011)
• Healthy inflammatory response* — Clinical data report reductions in inflammatory symptoms/markers.
(
NIH/PubMed — 2001;
NIH/PubMed — 2011)
• Antioxidant protection* — Polyphenols/alkaloids help limit oxidative stress.
(
NIH/PubMed — 2005;
NIH/PMC — 2020)
• Joint comfort & mobility* — Randomized evidence shows improvements in joint comfort.
(
NIH/PubMed — 2001)
• Digestive/GI support* — Clinical overviews support traditional GI use.
(
NIH Bookshelf — 2019)
• Cellular/DNA protection (adjunct)* — Extracts reported to support DNA repair pathways.
(
NIH/PubMed — 2005)
• Oxidative/inflammatory marker improvements* — Reviews summarize favorable changes in redox/inflammation endpoints.
(
NIH/PMC — 2020)
• Immune cell modulation* — Human/clinical contexts show modulation of cytokine activity.
(
NIH/PubMed — 2008)
Additional Studies Showing Promising Benefits*
• Cardiovascular wellness* — Early evidence for vascular/endothelial support.
(
NIH/PubMed — 2021;
NIH/PMC — 2020)
• Blood sugar modulation* — Preliminary data on glucose metabolism.
(
NIH/PubMed — 2018)
• Neuroprotection (emerging)* — Experimental work suggests neuronal support.
(
NIH/PubMed — 2011)
• DNA repair/cytoprotection (lab & pilot)* — Support for DNA repair pathways.
(
NIH/PubMed — 2005)
• Antioxidant mechanisms* — Phenolic constituents demonstrate free-radical scavenging.
(
NIH/PubMed — 2005)
• Inflammation pathways* — Reviews outline modulation of key cytokines/mediators.
(
NIH/PMC — 2020)
University / Academic Context*
• Joint comfort (clinical) — Double-blind trial in osteoarthritis patients reported improved joint comfort with Cat’s Claw extract. (NIH/PubMed — Piscoya J, 2001)
• Immune modulation — Human/clinical contexts and mechanistic work describe oxindole-alkaloid–driven immunomodulation. (NIH/PubMed — Reis SRIN, 2008; NIH/PubMed — Pilarski R, 2011)
• Inflammatory pathways — Academic studies show effects on NF-κB and cytokine signaling with antioxidant co-benefits. (NIH/PubMed — Sandoval-Chacón M, 1998; NIH/PubMed — Sandoval M, 2002)
• Clinical overviews — NIH Bookshelf clinical summaries catalog traditional GI/immune uses and safety notes. (NIH Bookshelf — LiverTox, 2019)
Global Evidence & Authoritative Reviews*
• Systematic review/meta-analysis — In vivo evidence supports anti-inflammatory and immunomodulatory activity with low toxicity. (NIH/PubMed — Arado GM, 2024; NIH/PMC — 2024)
• Broad pharmacology review — NIH-indexed review summarizes antioxidant, anti-inflammatory, antiviral and analgesic profiles. (NIH/PMC — Riva L, 2020)
• Toxicology & safety — NIH-indexed toxicology review notes low acute/subacute oral toxicity and no clear genotoxic signal. (NIH/PubMed — Valerio LG, 2005)
• Metabolic context (adjunct) — NIH-indexed research discusses glucose/NAFLD endpoints as emerging areas. (NIH/PMC — Araujo LCC, 2018)
We monitor research from the world’s leading institutions — including Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge University, Oxford, Stanford, Yale, MIT, the University of Florida, Oregon State University – Linus Pauling Institute, Tufts, Boston University, Cornell, Columbia, and Ohio State — to ensure our guidance remains aligned with the highest standards of credible science.*
Brief Benefit Bullets
• Clinically studied for immune system support*
• Supports a healthy inflammatory response*
• Provides antioxidant protection*
• May support digestive health*
• Shown to aid joint comfort and mobility*
• Early research: cardiovascular & metabolic wellness*
• 3rd-party tested for identity, purity & potency
Suggested Use
Take 2 capsules, 1–2 times daily with food, or as directed by your 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
3rd Party Testing
Every batch is independently verified for identity, potency, and purity. See our 3rd-party results.
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!*
