When teaching a client with irritable bowel syndrome (IBS) about diet, what food should the nurse recommend?

In managing irritable bowel syndrome (IBS), dietary fiber plays a crucial role in maintaining digestive health and regulating bowel movements. Bran fiber is particularly beneficial because it is a source of insoluble fiber, which helps to bulk up the stool and can alleviate constipation, a common issue in some IBS patients. It also promotes regularity and may help with overall gut health.

In contrast, while other options might have their merits in specific dietary plans, they do not provide the same level of fiber or beneficial effects for IBS management as bran fiber does. For instance, while low-fat yogurt offers probiotics that can aid digestion and stomach comfort, it does not address the need for fiber directly in the way that bran does. White bread, being a refined carbohydrate, is typically low in fiber and may exacerbate IBS symptoms in some people. Bananas can be a good source of certain nutrients and may be tolerated well by some with IBS, but they don't provide the same fiber benefits to regulate the digestive system effectively.

By focusing on bran fiber, the recommendation aligns with the goal of enhancing fiber intake to manage symptoms of IBS, thus making it the most appropriate choice in this situation.