NCCAOM Herbal Board Practice Exam

In this formula, the blood-nourishing component is the herb that supplies and supports blood to address deficiency underlying the chronic Bi pattern. Dang Gui is renowned for nourishing and invigorating blood, making it the herb that plays the blood-nourishing assistant role in Du Huo Ji Sheng Tang. By tonifying blood, it helps support the liver and kidney foundations and provides the necessary blood supply to sustain the sinews and bones, which is crucial when wind-dampness combines with blood deficiency to produce pain and weakness. This herb works alongside the other ingredients that disperse wind-dampness and strengthen the musculoskeletal system, but its specific function is to bolster the blood, making it the best match for the blood-nourishing assistant in this formula.