Single Herb Supplement. Promotes immune function. Cat's Claw Inner Bark (Uncaria tomentosa) has long been traditionally used in the Amazon Rainforest to help digestion, enhance immune function and detoxify the body. Since 1972. Nature's Answer capsules feature the highest quality of organic, responsibly wildcrafted or cultivated herbs, which maintain the naturally-occurring constituents found in the plant. They are carefully selected and finely milled (micronized), allowing faster absorption by the body. Manufactured to current cGMP (current Good Manufacturing Practices) standards; free of synthetic ingredients. Unconditionally guaranteed. www.naturesanswer.com. Nature's Answer quality without question pioneers since 1972. (These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.)