Konjac includes glucomannan which contains a lot of water soluble dietary fiber, but the use is limited because the high viscosity. Common jellied konjac is changed into an insoluble dietary fiber by alkaline treatments, so it loses the effect as a water soluble dietary fiber. Meanwhile, Liquid NANOKON has medical properties of glucomannan (Soluble dietary fiber) and common jelled konjac (Insoluble dietary fiber).