I bought the Cat's Claw. Resistance up, there is a analgesic effect. There seems to be action to promote the stabilization of emotion. And that you are using the part of the bark of Cat's Claw in raw materials, I like Peru produced place. Normal Cat's Claw preventing undesirable alkaloid components contained in extracts, high purity Cat's Claw extract condensed components of the main components of the POA. It is a plant of the capsule.