1.Konjac glucomanan powder is pure soluble fiber 2.No protein, no fat, no sugar, no starch, ... thickener, such as cornstarch. Konjac glucomannan is a natural, odorless soluble fiber that is found in the konjac plant. The konjac ... konjac gum. Unlike the cornstarch, the konjac powder is the soluble fiber, which does not contain starch and sugar, it does ...