Konjac is a glucomannan fiber derived from the tubers of the elephant yam. It has many functional properties including extremely high viscosity, moisture binding ability, and synergistic thickening effects. Konjac is generally recognized as safe and can be used as a thickener, binder, or fat replacer in many food applications. It provides health benefits as a source of soluble fiber and may help with satiety, blood sugar control, and cholesterol levels.