Vilof-Nanofosis a white, odorless and slightly sweet inulin powder named fructooligosaccharide (abbreviated as FOS). As FOS is non-digestive in the gastral-intestinal tract, it goes into the large intestine intact and serve there as a bifidobacteria proliferator, which is beneficial to the intestinal health and can prevent the colon cancer, diarrhea and constipation. Thanks to the non-digestive, low-calorie and slightly sweet property, it is good for weight concerned population and diabetes patients as a sweetener. Vilof-Nanofos can be used in bakery products, dairy products, beverages and confectioneries.