Milk thistle (Silybum marianum) extract supports the internal detoxification function of a normal liver. The active bioflavonoid complex in milk thistle, silymarin, and its sub-component silibinin, are powerful antioxidants in the liver and exert a protective detox effect against substances that may be potentially harmful to the liver.* Lindberg Liver Detox herb extract combines milk thistle seed with other herbs to support liver function and cleansing.*