Starwest Botanicals brings you Yellowdock Root in powdered and cut and sifted forms; organic, kosher and wild-crafted versions of this dried herb are also offered. Our Yellowdock Root comes directly to us from our United States-based grower, and then the raw herb is fully processed and packaged by us in our processing facilities so that we can ensure a full measure of quality controls are in place at every part of the process.Origin: CroatiaCommon Names: Curled Dock, Curly Dock, Sour Dock, Narrow Dock, Garden PatienceBotanical Name: Rumex crispusYellowdock Root, which is known by the Latin botanical name of Rumex crispus, is also commonly called Curled Dock, Curly Dock, Sour Dock, Narrow Dock and Garden Patience in different parts of the country. Rumex crispus contains vitamin A, iron and potassium. People who have had kidney stones should not consume this dried herb. All of our bulk herbs undergo thorough laboratory analyses to ensure their high quality; Yellowdock Root is no exception. Tests include biological identification; examination of flavor, aroma, color and appearance; as well as physical, chemical and microbiological analyses to bring you the finest dried herbs available online, with superior customer service and fair prices.