Premium-grade Xia Ku Cao (Prunella Vulgaris), Xian Cao (Mesona Chinensis) and Liquorice form a perfect herbal blend in Yeo’s Cheng Bou Leong. A unqiue medley of ingredients that is carefully-selected according to traditional Chinese medicinal practice, this authentic brew is widely enjoyed as a convenient means to reduce body heat and great for soothing throats.