made by the researchers who did the origianl clincal tests. They state clearly in the second reference in my signature
"If adherence was strict, attention may be needed to modify intake of resistant starch and insoluble and soluble fiber. Other dietary triggers such as food chemicals may need to be considered, as should potential factors such as caffeine, fat, meal size and regularity."
However, the EFI diet alone can be problematic for many individuals due to fact that is does not restrict FODMAPs. Integrating the FODMAP with the EFI diet can give better results for many individuals.
-------------------- STABLE: ♂, IBS-D 50+ years - Science of IBS