Cat's Claw Defense Complex offers broad-range support to the multiple, interrelated systems involved with immune support. It addresses cell-mediated immunity, humoral immunity, herbiotics, the liver, and antioxidant defense. Cat's claw, which contains oxindole alkaloids, is known for its immune-supporting ability. It is combined in this formula with high-quality nutrients and botanicals, such as the potent antioxidants grape seed extract (Proanthodyn™) and N-acetyl cysteine; silymarin, an antioxidant botanical that supports liver function; and turmeric, known for its ability to enhance bile flow. Additional botanicals to support your well-being include pau d'arco, the tonic astragalus, the adaptogen ginseng, and the revered reishi mushroom.