what fiber is good for diarrhea
For both diarrhea and constipation, you want to get more soluble fiber, such as oats, bran, and barley.For constipation only, you can add in some insoluble fiber as wellâfruits and vegetables are good sources.eans and peas contain significant amounts of both soluble and insoluble fiber. The bottom line: soluble fiber is good for both diarrhea and constipation. Foods high in insoluble fiber are best for constipation only.