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Best and Worst Foods for IBS


Broccoli MealBy Bret Lashner, MD


If you have irritable bowel syndrome (IBS), knowing what to eat can feel like the holy grail. For some patients, the right diet, along with attention to exercise, can control symptoms without medication.

For my patients, I often recommend a special diet of easily digestible food, called a low-FODMAP diet, which is detailed in this chart.

FODMAP stands for “fermentable oligo-, di-, and monosaccharides and polyols” – a mouthful to say, but in more common terms, FODMAPs are carbohydrates that may not be digested or absorbed well.  Undigested carbohydrates are then metabolized by intestinal bacterial to produce excess gas, which leads to abdominal pain, diarrhea and/or constipation.


What foods to limit (and good substitutes)