Ultimate Hunger Buster Glucomannan is a soluble, bulk-forming fiber derived from Konjac Root (Amorphophallus konjac). Glucomannan is suitable for anyone following a calorie controlled diet who is aiming to lose weight. It helps to promote satiety (feeling of fullness) and promotes weight loss in the context of an energy restricted diet. In addition, studies have shown that Glucomannan can provide temporary relief of constipation and may help to maintain serum lipid levels already within the healthy range. As with all LushProtein™ products, Certificates of Analysis (COA) are provided for all key ingredients for assured quality