Uncaria tomentosa

Botanical Overview

Uncaria tomentosa, commonly known as Cat’s Claw, is a member of the Rubiaceae family native to the Amazon rainforest and Central and South America. The medicinal parts primarily used are the bark and root. It is valued in herbal medicine for its immune-supportive and anti-inflammatory properties.

Energetics

This herb is considered to have a neutral temperature with moistening qualities. Its taste profile includes bitter and astringent notes. Energetically, it is tonifying and supports the body’s qi.

Primary Actions

  • Anti-inflammatory
  • Immunomodulating
  • Antioxidant
  • Cytoprotective

Indications

Western

  • Inflammation
  • Arthritis pain
  • Gastrointestinal discomfort
  • Immune deficiency

Syndromes

  • Rheumatoid arthritis
  • Osteoarthritis
  • Chronic inflammation
  • Gastritis
  • Viral infections

TCM

No specific indications documented.

Ayurveda

No specific indications documented.

Unani

No specific indications documented.

Constituents & Mechanisms

Contains oxindole alkaloids, polyphenols, triterpenes, and sterols which confer immunomodulatory and anti-inflammatory effects.

Dosage & Preparations

  • Tincture 1:5 40% ethanol, 2-5 mL 1-3x/day
  • Decoction of bark 2-4 g daily
  • Standardized extract 250-350 mg 1-2x/day

Safety & Contraindications

Generally well tolerated, but should be avoided in pregnancy and lactation due to lack of safety data. Use caution in autoimmune conditions and when used concurrently with immunosuppressants or anticoagulants. Monitor blood pressure if used with antihypertensives.

Astrological Correspondences

No credible documented planetary or elemental rulers found.

Selected References

  • Uncaria tomentosa (Cat’s Claw) – Herbal Medicine: Biomolecular and Clinical Aspects, 2nd Ed.
  • Immunomodulatory and Anti-inflammatory Effects of Uncaria tomentosa – PubMed Central
  • Cat’s Claw: Clinical and Pharmacological Overview – Physician’s Desk Reference for Herbal Medicines