Cat's Claw In vitro studies suggest some of the plant constituents have antiviral, antimutagenic, anti-inflammatory, and immunomodulatory properties, and may enhance phagocytosis Anticancer effects have also been observed, and bioassays suggest cat’s claw may increase neutrophil count. Data in humans are limited. Source: [Cat's Claw | MSKCC](https://www.mskcc.org/cancer-care/integrative-medicine/herbs/cat-claw)