Prebiotic fiber inulin is a naturally occurring carbohydrate found in a variety of plants, particularly in roots and tubers such as chicory, garlic, leeks, and onions. As a soluble fiber, it is not digested in the small intestine but rather fermented by beneficial gut bacteria in the large intestine. This fermentation process helps promote the growth of beneficial bacteria, which can support gut health, improve digestion, and enhance the absorption of certain nutrients. Increasing dietary intake of prebiotic fibers like inulin can contribute to a healthier microbiome.
In addition to its benefits for gut health, inulin can also help to enhance feelings of fullness and reduce appetite, making it a popular ingredient in weight management products. It is often added to food and beverage items as a texturizer or sweetener because it offers a mildly sweet flavor without contributing significant calories. Given its numerous health benefits, inulin is frequently emphasized in discussions about dietary fiber and overall nutrition, making it a valuable component of a balanced diet.