Nutritional quality and costs of gluten-free products: a case-control study of food products on the Norwegian marked

Background: Celiac disease is a chronic autoimmune disease triggered by gluten exposure in genetically predis- posed individuals. A life-long intake of a gluten-free (GF) diet is required for its management. Wheat, rye and barley are eliminated in a GF diet and the nutritional adequacy of the diet has been questioned. In Norway, cereals and bread constitute a key role of the diet and are the main source of fiber intake. Gluten restrictions may therefore offer important implications for...