Source Naturals Cat's Claw Bark Una de Gato 1000 mg 60 tablet

Cat's claw (Uncaria tomentosa) is an herb that grows in the rain forests of the Peruvian Amazon. Indigenous Peruvians have used it for centuries, dating back to the ancient Incas. The inner bark contains unique active constituents to help support the body's immune system.
The bark can be obtained without needless destruction of the plant, thereby protecting the delicate Amazon ecosystem.