Fiber
Glucomannan
Glucomannan is a soluble dietary fiber from the root of the konjac plant (Amorphophallus konjac).
Konjac as food
Konjac flour has a history of food use in East Asia. EFSA evaluates its use as a food additive separately from the quantities studied for weight management; food-additive safety is not evidence that larger supplemental doses offer greater benefit. 1