Source: Shan Yao – the rhizome of Dioscorea Opposite Thunb., family Dioscoraceae.
Function: Shan Yao invigorates the spleen and stomach, promotes production of the body fluids and benefits the lung. Shan Yao invigorates the kidney and preserves the essence.
Application: Shan Yao is used for poor appetite, fatigue or loose stool and diarrhoea due to spleen deficiency. It is also used for coughs due to deficiency of the lung. Shan Yo can be used in cases of seminal emission, frequent urination or thick vaginal discharge. It is also beneficial for diabetes.