Pure Powder - from Konjac Root Supports Healthy Cholesterol Levels Already Within Healthy Range* Supports Regularity* Glucomannan is a soluble, bulk-forming fiber derived from the konjac root (Amorphophallus konjac) that can help to maintain intestinal regularity.* Glucomannan may also help to maintain serum lipid levels already within the healthy range.* In addition, by promoting satiety (feeling of fullness), Glucomannan can be a convenient addition to a weight management plan that includes a healthy diet and exercise program.* Natural color variation may occur in this product. This product is sold by weight not volume.