This research is looking at how different kinds of wheat bread affect people who think they might have trouble eating wheat. Some people have a condition called non-celiac wheat sensitivity (NCWS), which means they feel sick after eating wheat, but they don't have celiac disease or a wheat allergy. Scientists want to find out if different ways of making bread change how people with NCWS react. They will give participants five types of bread, including special breads without gluten.

To join the study, you need to be between 18 and 75 years old and have had tummy troubles for at least 6 months. You must also agree to follow a specific diet during the study. You cannot join if you are taking certain medications or are pregnant.

• The study checks if different breads make you feel sick or not.
• You will need to eat different types of bread and tell us how you feel.
• You must be willing to follow the study guidelines about what to eat.