A polydisperse inulin product has a factor L, defined as a ratio S/D, wherein: S equals the sum of the compounds GF2, F3, and F4 in the inulin product, expressed in wt. % on total carbohydrates; D equals [(Fi/Gi)+1], wherein Fi is the amount of inulin-related fructose in the inulin product, Gi is the amount of inulin-related glucose in the inulin product, whereby Fi and Gi are expressed in wt. % on total carbohydrates, wherein the value of L lies between 2.0 and 3.0 and wherein between 3 and 20 wt. % on total carbohydrates of the inulin product is: GFn compounds wherein n is 10 or greater, and/or Fm compounds wherein m is 11 or greater.