[header] How to ease symptoms of ibs naturally [title] Avoid eating insoluble fiber. [step] Some individuals who suffer from ibs are sensitive to foods that are high in insoluble fiber, such as wheat, cereals, bran and pasta. Other foods like nuts, seeds, popcorn, crackers contain moderate amounts of insoluble fiber. 
[substeps] Like fat, the insoluble fiber is a gastrointestinal stimulant. Insoluble fiber in fruits, veggies and grains can't be easily broken down during digestion.