The bark of the cat's claw comes from the pine species Tabebuia impetiginosa, which grows mainly in Brazil and Latin America. It has been used for centuries by the indigenous people of the region for its therapeutic properties.

This bark possesses antimicrobial, anti-inflammatory, and antioxidant properties. It has been used in herbal medicine for:

• Respiratory diseases
• Rheumatism
• Digestive problems

It is usually used as a decoction, for preparing extracts, tea, or powder for internal use. It can also be used in the form of cream or oil for external application.

Scientific research regarding its properties is considered to be limited.