Konjac root is a traditional food material in China. The glucomannan fiber it contained is a healthy appetite suppressant and thickener, so widely used in the weight loss supplement, food and drink. The Konjac powder quality mainly depends on 4 key data - Glucomannan Purity, Viscosity, SO2 residues, Transparency. We will share the Third Party Test report regularly to you. The price of Konjac Glucomannan keep rising recent two years because of the shortage of Konjac root. Fortunately, we set up our own Konjac plant years ago, so we can control the price as reasonable and stable. Free samples can be supplied for quality test, also Technical Supports for producing the popular food Konjac noodles locally.