Low FODMAPs Menu Plan. (All menu plans are designed to serve 2 people or 1 person with leftovers. Double for a larger family or reduce by half for 1 person. Menu plans also include key supplement recommendations by Dr Cobi). Irritable Bowel Syndrome (IBS) affects an estimated 10-15% of the population. Common IBS symptoms include gas, bloating, diarrhea, constipation and stomach pain. Following a Low FODMAP diet has been shown to significantly improve these symptoms in about 75% of IBS sufferers!