Glucomannan (Konjac) Powder is a form of water soluble fibre. Shown in research to contribute to weight loss in the context of an energy restricted diet, at a dose of 3g per day. Sourced from the rhizomes of the Amorphophalli Konjac plant. Also shown to contribute to the maintenance of normal blood cholesterol levels, at a dose of 4g per day. Core ingredient in slim rice/pasta products. Konjac Root Powder. Available in 100g, 500g and 1kg pouches. Ingredients: 100% Glucomannan (Konjac) Powder. Suitable for Vegetarians & Vegans.