A nurse is providing dietary teaching to a client who has a new diagnosis of irritable bowel syndrome. Which of the following recommendations should the nurse include?

Rationale: A. Gluten-containing foods (such as wheat, barley, and rye) can worsen gastrointestinal symptoms in some clients with irritable bowel syndrome (IBS), especially those with gluten sensitivity or overlapping food intolerances. Increasing gluten is not a recommended dietary strategy for IBS management. B. Many clients with IBS have lactose intolerance or sensitivity to dairy products, which can worsen symptoms such as bloating, gas, and diarrhea. Increasing milk products may aggravate IBS symptoms rather than improve them. C. High-fructose corn syrup can trigger IBS symptoms in some individuals because excess fructose is poorly absorbed in the gut, leading to bloating, gas, and diarrhea. It is generally advised to limit rather than increase intake of such sweeteners. D. Increasing soluble fiber intake (such as bran, oats, and psyllium) can help regulate bowel movements and improve IBS symptoms, particularly constipation-predominant IBS. Fiber helps normalize stool consistency and promotes healthy bowel function, making it a key dietary recommendation for IBS management.