Swanson Cat's Claw is an herbal antioxidant formula that originates from the rain forests of Peru. This product features alkaloid compounds that promote nutritional support for a healthy immune system. Each serving delivers 1 gram of Uncaria tomentosa, used traditionally to support a healthy immune system. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.