Cat’s Claw Tea: Benefits, Uses, and How to Prepare It Safely

Cat’s Claw (Uncaria tomentosa) is a powerful medicinal plant native to the Amazon rainforest. In recent years, it has gained international attention for its potential to support immune function, reduce inflammation, and protect the body against oxidative stress. Traditionally used by Indigenous communities in South America, Cat’s Claw is now widely studied and used in natural health practices around the world.

In this article, you’ll discover the main health benefits of Cat’s Claw, how to use it safely, how to prepare the tea correctly, possible side effects, contraindications, and practical tips for responsible use.

⚠️ Disclaimer: This content is for educational purposes only and does not replace medical advice.

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What Is Cat’s Claw?

Cat’s Claw is a woody vine that grows in tropical forests of South America, especially in the Amazon basin. Its name comes from the hook-like thorns on its stem, which resemble a cat’s claws.

The plant belongs to the Rubiaceae family, and the inner bark and roots are the parts most commonly used for medicinal purposes.

There are two main species known as Cat’s Claw:

• Uncaria tomentosa (the most researched and widely used)
• Uncaria guianensis

While both have medicinal properties, U. tomentosa is the preferred species in herbal medicine and scientific studies.

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Active Compounds and Medicinal Properties

Cat’s Claw contains a rich profile of bioactive compounds responsible for its therapeutic effects, including:

• Oxindole alkaloids – immune-modulating activity
• Flavonoids – antioxidant protection
• Tannins – anti-inflammatory and tissue-protective effects
• Glycosides – support cellular balance
• Phytosterols – may help regulate cholesterol and inflammation

Together, these compounds make Cat’s Claw a powerful plant in natural immune and inflammatory support.

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Health Benefits of Cat’s Claw

1. Supports Immune System Function

Cat’s Claw is best known for its immunomodulatory effects, helping stimulate immune cells such as lymphocytes and macrophages. It is often used to support resistance against infections and immune imbalance.

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2. Anti-Inflammatory Action

The plant has strong anti-inflammatory properties and is commonly used as complementary support in conditions such as:

• Arthritis
• Osteoarthritis
• Tendinitis
• Bursitis

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3. Antioxidant Protection

Flavonoids and polyphenols help neutralize free radicals, contributing to cellular protection and healthy aging.

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4. Potential Anti-Cancer Support (Under Study)

Laboratory studies suggest Cat’s Claw compounds may help inhibit abnormal cell growth, particularly in breast and colon cancer cell lines. These findings are preliminary, and more human clinical studies are needed.

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5. Digestive Health Support

The bark tea has a mild astringent effect and has traditionally been used to support:

• Gastric ulcers
• Colitis
• Inflammatory bowel discomfort

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6. Relief from Chronic Pain

Thanks to its anti-inflammatory and mild analgesic properties, Cat’s Claw may help reduce joint, muscle, and rheumatic pain.

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7. Support in Autoimmune Conditions (With Medical Supervision)

Because it modulates immune response, Cat’s Claw is sometimes used as complementary support in autoimmune conditions such as lupus or psoriasis — only under professional guidance.

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How to Prepare Cat’s Claw Tea

Ingredients

• 1 tablespoon dried Cat’s Claw bark
• 500 ml (2 cups) water

Preparation Method (Decoction)

1. Bring the water to a boil.
2. Add the bark and simmer for 10–15 minutes.
3. Turn off heat, cover, and steep for another 10 minutes.
4. Strain before drinking.

How to Take It

• Recommended intake: 2–3 cups per day
• Duration: Up to 30 consecutive days
• Take a 15-day break before starting another cycle

🔗 See also: How to prepare medicinal herbal teas correctly

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Other Forms of Use

Besides tea, Cat’s Claw is available as:

• Capsules (standardized dry extract)
• Tinctures (alcohol-based extract)
• Herbal creams or ointments (topical use for joint pain)

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Contraindications

Cat’s Claw should not be used by:

• Pregnant or breastfeeding women
• Children under 12
• People using immunosuppressive or anticoagulant medications
• Individuals with autoimmune diseases without medical supervision

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Possible Side Effects

When used incorrectly or in excessive amounts, Cat’s Claw may cause:

• Nausea
• Diarrhea
• Abdominal discomfort
• Low blood pressure

Always respect recommended dosages.

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Tips for Safe Use

• Do not exceed recommended doses
• Avoid long-term continuous use without breaks
• Check for interactions if using other herbal supplements
• Discontinue use if adverse effects occur

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Interesting Facts About Cat’s Claw

• Known as “uña de gato” in traditional Peruvian medicine
• Used for centuries by Amazonian Indigenous tribes
• Considered one of the most promising medicinal plants from South America
• Once classified as at risk due to overharvesting — sustainability matters

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Related Herbal Teas You May Like

• Stonebreaker (Chanca Piedra) Tea: Benefits and Uses

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Prepare your tea the right way

If you plan to use this plant to make tea, use the Nutritive Blog tea infusion timer. Proper infusion time helps preserve active compounds and ensures better results.

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Final Thoughts

Cat’s Claw is a potent medicinal plant with wide-ranging benefits, especially for immune balance and inflammation control. Because of its strong biological activity, it should be used responsibly, in cycles, and with proper guidance.

When used correctly, Cat’s Claw tea can be a valuable addition to a natural wellness routine.

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