Table 3. Inclusion and exclusion criteria of the study.

Inclusion Criteria	Exclusion Criteria
• Age: 18-65• Certified healthy on physical examination and free from diabetes, acquired immunodeficiency syndrome (AIDS), chronic diarrhoea, inflammatory bowel disease, irritable bowel syndrome, or other gastrointestinal disorders, gastrointestinal surgery [with exception of appendectomy, polypectomy, or herniorrhaphy].	• Prescription, OTC medications or supplements (e.g., acid anti-secretory drugs, probiotics) known to alter the gut function or microbiome during the 4 weeks prior to study enrolment