Kiwifruit, Prunes, & Fiber for Abdominal and Bowel Symptoms in US Patients With Chronic Constipation

The total duration of the study will be 8 weeks (2- week baseline, 4-week intervention, and 2-week follow-up). Eligible patients will be randomized to receive kiwifruit (2 green kiwifruit per day for the 4 week intervention period.

The total duration of the study will be 8 weeks (2- week baseline, 4-week intervention, and 2-week follow-up). Eligible patients will be randomized to receive psyllium fiber (24 g/day, fiber=6g/day) for the 4 week intervention period.

The total duration of the study will be 8 weeks (2- week baseline, 4-week intervention, and 2-week follow-up). Eligible patients will be randomized to receive prunes/dried plums (100g, fiber=6 g/day) for the 4 week intervention period.