As some people demonize all sugar and carbs as all bad one must see past the generalization and see the power of elements as a part of whole foods and the benefit for human health.
Short-chain fructooliogosaccharides (scFOS), which are low-calorie, non-digestible carbohydrates that can improve food taste and texture while aiding immunity, bone health and the growth and balance of important bacteria in the digestive track.
Fructooliogosaccharides are naturally found in chicory, onions, asparagus, wheat, tomatoes and other fruits, vegetables and grains. Read Article
I will note that as this article discusses it as a isolated nutrient it is more evident now that single nutrients are less powerful in isolated form and sometimes harmful, but as part of a whole food it works as nature intended as a part of a symphony of nutrients that synergistically work together.