Rou Cong Rong Granules

Cistanches deserticola tonifies the Kidney yang and augments the essence and blood; Moistens the Intestines and facilitates passage of stool.*

Sweet, salty, and warm, Cistanches Herba (rou cong rong) has the special characteristic of tonifying the Kidney yang while also augmenting the essence and blood due to its moist, oily texture. These properties are also responsible for its ability to moisten the Intestines and treat constipation, especially among the elderly and those with deficiency of blood and fluids. -from "Chinese Herbal Medicine Materia Medica, 3rd ed. by Bensky*