Rehmannia Root Extract Details: Product Name: High Quality Prepared Rehmannia Root Extract. Latin name: Rehmannia glutinosa Active Ingredient: Catalpo, Rehman-nin Specification: 4:1 10:1  Source: White Kidney Bean Extraction Part: Root Appearance: Dark brown fine powder Rehmannia Root Extract Function 1,Prepared Rehmannia Root Extract has the function of treating lung dryness syndrome with cough of epistaxis; 2,Prepared Rehmannia Root Extract is …