Effect of a Specific Blend of Fibers and Probiotics on the Microbiome

Inclusion Criteria: 1. Informed consent signed 2. Adult men and women aged 18 to 45 years 3. Healthy based on the medical screening visit and medical questionnaire 4. BMI in the range of 18.5 to 29.9 kg/m2. Exclusion Criteria: 1. Known food allergy and intolerance 2. Currently participating in another clinical trial or research project 3. Fewer than 5 spontaneous bowel movements per week on average 4. Chronic or recurrent diarrhea with spontaneous bowel movements more often than 2 times daily 5. Systemic antibacterial/antifungal therapy during the 3 months prior to study enrolment 6. Medications or supplements that are known to alter gut function or microflora during the 4 weeks prior to study enrolment 7. Volunteers under anti-hyperlipidemic, antihypertensive, estrogen-related and/or anticoagulant agents 8. Prior gastrointestinal surgery (apart from appendectomy, cholecystectomy or herniotomy) 9. Alcohol intake higher than 2 servings per day. A serving is 0.4 dl of strong alcohols, 1 dl of red or white wine, or 3 dl of beer. 10. Artificially sweetened beverage intake higher than 1000 ml/ per day 11. Female subjects will be excluded if they are pregnant, gave birth in the last 6 months, or are lactating. 12. Subject having a hierarchical or family link with the research team members.