D-Chiro-Inositol is a kind of water soluble vitamin , one of vitamin B group , as is the pro-inositol and choline fatty vitamin , also known as cyclohexanhexol , a white powder. There are nine kinds of stereoisomers, which has medical value within the racemate, can promote cell metabolism, contribute to development , and increase appetite, lipomatosis for the treatment of liver cirrhosis disease.