Effects of Wholegrains on Children's Health (KORN)

Inclusion Criteria: * Boys and girls 8-13 years of age * Be overweight i.e. have a parent-reported BMI of at least +1 standard deviation above the median according to the age and sex-standardized Danish growth curves * Be healthy * Like grain products and eat them daily * Speak Danish in order to understand the study procedures * At least one parent must read and speak Danish, in order to be properly informed about the study procedures * Parents must have freezer capacity for 2 weeks bread provision Exclusion Criteria: * Allergy or intolerance to the study foods, including gluten * Use of dietary fiber supplements (e.g. HUSK) or probiotic supplements * Dieting or on a special diet * Serious chronic illnesses and diseases that may interfere with study outcomes * Use of medication that may affect study outcomes, including use of antibiotics the last month * Concomitant participation in other studies involving dietary supplements, drugs or blood sampling * Living in a household with another participating child