While a high-fiber diet is usually recommended for most people, there are some cases in which a low-fiber diet may be necessary. A diet lower in fiber might be tried before having a colonoscopy, for ...

[15] All subjects were instructed to consume a low-fiber diet for 2 days prior to colonoscopy and were given the option of consuming a PEG-based preparation using one of the following dosing ...

He felt fine. Just two days later, under the guidance of his family doctor, he was following detailed instructions for the colonoscopy: a low-fiber diet starting three days before, then a clear ...

The low residue diet is not meant to help you lose weight. Instead, it's supposed to help heal your gut. The word "residue" here refers to the undigested food that makes up the bulk of stool.