Cats claw or a de gato´ is a climbing vine that is native to the Peruvian Amazon and gains its name from the barbed claws with which it climbs the jungle canopy. Cats claw has been used by rainforest tribes to contribute to the immune system and helps to maintain flexible joints, and it is still well known for these benefits today.There are many actives in Cat´s claw - including alkaloids thought to contribute to the immune system, and a group of chemicals called quinovic acid glycosides. Other actives are carboxyl alkyl esters, sterols (beta-sitosterol, stigmasterol and campesterol) and antioxidants. Also known as a de gato´Helps to maintain flexible jointsContributes to the immune systemSuggested Use:Take 3 capsules per day before food or as recommended by your practitioner. Ingredients:Pure powdered bark of Cats claw (Uncaria tomentosa) 500mg. Capsule shell: vegetable cellulose. Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle.