Sweet Smart Sweetener contains the Prebiotic fiber Inulin derived from the roots of the Chicory Lettuce plant. Prebiotics are a type of carbohydrate found mostly in fiber-rich fruits and vegetables that provide a good source of resistant starches, which are not digestible by the body. Instead, they pass through the gut and serve as food for probiotics helping them to thrive. Examples of specific prebiotics include inulin found in garlic and onions, resistant starch found in unripe bananas, pectin found in apples and fructooligosaccharides (FOS) found in asparagus.
This article by Anthea Levi in the July 29, 2020 LIVESTRONG Newsletter tells you the rest of the story. Article link