What's really in your supermarket loaf of bread... and what it's doing to your waistline: Our expert analyses all the favourites and reveals the ones that'll make you pile on the pounds - and which ones keep you trim | Daily Mail Online

Few foods are woven into British life quite like bread. We get through 11million loaves, or two to three slices each every day, with the factory-made, supermarket variety still the most popular.