Oat Milk for Laxation

Inclusion criteria

Clinical diagnosis of non-organic and habitual constipation;

Reduced defecation frequency;

Increased stool hardness;

Fewer than 4 bowel movements per week;

Exclusion criteria

Inability to take food orally or inability to comply with the required intake of the test product;

Known allergy to oats or related products;

Unclear primary gastrointestinal complaints;

Physical weakness that prevents participation in the trial;

History of surgery within the past 30 days that may cause constipation；

Recent constipation caused by severe organic gastrointestinal lesions (e.g., colon cancer, severe enteritis, intestinal obstruction, inflammatory bowel disease);

Constipation accompanied by significant abdominal pain;

Acute gastrointestinal diseases within the past 30 days;

Severe systemic diseases involving the cardiovascular, hepatic, renal, or hematopoietic systems;

Ongoing treatment for comorbid conditions that may interfere with study participation;

Recent use of substances related to the tested function that may influence outcome measurements.