Impact of Native Chicory Inulin on Change and Persistence of Gut Microbiota

Inclusion Criteria: * adults aged 18-45 * BMI \>18.5 - \< 30 kg/m2 * Regular bowel movements (\> 4 days per week) Exclusion Criteria: * Self-reported sensitivity to FODMAPs and following a low FODMAP diet ((FODMAPS stands for fermentable oligosaccharides, disaccharides, monosaccharides and polyols). * Self-reported food allergies and sensitivities including gluten, dairy, nuts, soya and lactose etc. * Self-reported antibiotic treatment in the past 6 months. * Self-reported history of gastrointestinal disease and/or heart disease, cardiovascular, liver, and respiratory disorders, cancer and/or clinically relevant (pre) diabetes. * Self-reported to having undergone major surgery of the gastrointestinal tract, with the exception of cholecystectomy and appendectomy. * Self-reported smoking and/or self-reported drug or alcohol abuse. * Self-reported history of psychiatric and/or mood disorders including eating disorders. * Self-reported to be following a restrictive diet (i.e. ketogenic, intermittent fasting). * Pregnant and lactating women.