What is cat's claw?

What is cat's claw ()? Cat's claw is also known as Uncaria tomentosa, Uncaria guianensis, life-giving vine of Peru, samento, and una de gato.Cat's claw has been used in alternative medicine as an aid to treat infections, stomach or intestinal disorders, cancer, arthritis, asthma, hay fever, and chronic fatigue syndrome. Cat's claw has also been used to support the immune system and promote kidney health, and as a contraceptive.Not all uses for cat's claw have been approved by the FDA. Cat's claw should not be used in place of medication prescribed for you by your doctor.Cat's claw is often sold as an herbal supplement. There are no regulated manufacturing standards in place for many herbal compounds and some marketed supplements have been found to be contaminated with toxic metals or other drugs. Herbal/health supplements should be purchased from a reliable source to minimize the risk of contamination.Cat's claw may also be used for purposes not listed in this product guide.