Chronic Ingestion of Fructooligosaccharide and Psyllium on Intestinal Transit in Women With Functional Constipation: A Randomized Crossover Trial

Inclusion Criteria

• •Female participants aged 18-59 years.
• •Willingness to sign the Informed Consent Form .
• •No restrictions on the consumption of egg or gluten.
• •No history or diagnosis of gastrointestinal diseases other than functional constipation.
• •Non-smokers.
• •No use of prebiotics, probiotics, synbiotics, or antibiotics at least 10 days prior to the study.
• •No previous surgery affecting gastrointestinal transit.
• •Willingness to discontinue the use of laxatives at least 4 days prior to scintigraphic imaging.
• •Participants who do not consume adequate dietary fiber (25-30 g/day) as assessed by dietary recall.
• •No confirmed or suspected pregnancy during the study.
• •No self-reported menopause