Evaluation of Gastrointestinal Comfort Following Regular Consumption of Short-chain Fructo-oligosaccharides (10-20 g Per Day) by Children Aged 6-12 Years

Inclusion Criteria: * Healthy children who were willing to participate in the study during school period; * Have regular stool frequency: less than or equal to 3 stools per day and greater than or equal to 3 stools per week during the week prior to enrollment; * Wanting to maintain their dietary and physical activity habits during the study; * Agree to participate and have written informed consent from their parents or legal representatives ; * A parent or legal representative must have a smartphone compatible with the e-PRO data collection application. Exclusion Criteria: * Children who had a high fiber intake, as determined by the PNNS-GS2 score during the 7 days prior to inclusion; * Children who regularly experience gastrointestinal symptoms or have a known ongoing or chronic gastrointestinal condition; * Children who have any known pathologies, allergies, or food intolerances; * Children who have received antibiotic treatment in the 2 months prior to inclusion; * Consumption of any dietary supplement or medication that affects intestinal transit or the gastrointestinal sphere (such as fiber-based supplements, prebiotics, probiotics, symbiotics, osmotic laxatives, or intestinal dressings) within the two weeks prior to inclusion; * History of gastrointestinal tract surgery (excluding appendectomy); * Any medical or surgical history or treatment that could potentially influence the study criteria according to the investigator; * Children been involved in another study within the last 2 months; * Girl who have reached menarche and experience dysmenorrhea (abdominal pain and/or changes in bowel movements); * Parents or legal guardians who are unable to understand, speak, and read French fluently, as well as those who are likely to disregard the protocol and questionnaire completion; * Legal representative who are unable to provide informed consent due to a court decision or any other condition that may affect their judgment; * Not affiliated to a health insurance fund through their parents or legal representative.