19 Nov 2018 --- Following a gluten-free diet can lead to a reduction of intestinal discomfort, such as bloating, but this may be due to a change in dietary fiber composition, suggest Danish researchers. The University of Copenhagen study notes that the healthy, gluten-free diets in their study required a shift of fiber sources from wheat and rye to vegetables, brown rice, corn, oat and quinoa, and that certain health improvements were down to these sources – not the absence of gluten.