It acts as a prebiotic, meaning that it feeds the beneficial bacteria in your gut. These helpful bacteria play a role in reducing inflammation, fighting harmful bacteria, and improving mineral absorption 
 
chicory root fiber may promote optimal gut health in a variety of ways.
 
relieve constipation
 
Chicory root fiber may boost blood sugar control, especially in people with diabetes.
 
Some studies suggest that chicory root fiber may regulate appetite and decrease overall calorie intake, possibly leading to weight loss.
 
What’s more, if you’re looking to reduce your caffeine intake, you can use roasted and ground chicory root as a coffee replacement. To make this rich beverage, add 2 tablespoons (11 grams) of ground chicory root for every 1 cup (240 ml) of water in your coffeemaker.
 
https://www.healthline.com/nutrition/chicory-root-fiber#5.-Easy-to-add-to-your-diet