... popular in America, Japanese, and other countries. Our Beta D Glucan is based on the premise of maintain the effect nutrition ... maintain GLU-02, extracted the effect component of beta D glucan from wild Maitake, with the function of build up ... . Quality Parameter AppearanceLight Brown powder,Readily absorbing moisture,CharacteristicBeta D glucan (Enzyme-UV)20%30%40%Physical & Chemical ControlLoss on ...