A client with celiac disease selects a bowl of oatmeal with fresh fruit and skim milk, grapefruit juice, and coffee from the breakfast menu. Which action is most important for the nurse to implement?

Encourage the client to choose decaffeinated coffee.

Advise the client that too much fruit can irritate the colon.

Inform the client that oatmeal contains gluten.

Commend the client for selecting fat-free milk.