Some tribes from Peruvian Amazonia consider cat's claw to be a sacred plant and believe that it has an action on both the mind and body. It was the second plant to be recognized by the WHO (after cinchona) as one of superior value. It has numerous properties and is an important anti-viral and anti-tumor plant.
The part used is the bark. Rich in alkaloids, it stimulates the immune system and has soothing properties. It is used in slimming products as it helps prevent fat storage.