NOW Cat's Claw Capsules are derived from a woody vine native to the Amazon rainforest, known as "uña de gato" or the "life-giving vine of Peru." Revered for over 2,000 years in traditional South American herbalism, this powerful herb is celebrated for its natural immune-boosting properties. Modern studies have highlighted its alkaloids as the key compounds responsible for its health benefits. NOW Cat's Claw is a 100% vegetarian and non-GMO supplement designed to support overall wellness and a healthy immune system.