WHAT IS INULIN POWDER? BULK POWDERS™ Inulin Powder is sourced from the filtration & purification of Chicory roots – providing the highest quality source of Inulin possible. Belonging to a class of dietary fibres called Fructans, Inulin is categorised as a unique group of naturally occurring polysaccharides. This soluble fibre is found commonly in a variety of foods including many pulses & vegetables. Inulin is a fantastic source of soluble fibre in the diet, providing over 85g