The "Malt flour" in your bread is probably mostly sugar: https://en.wikipedia.org/wiki/Malt#:~:text=modifying%20the%20grains%27%20starches%20into%20various%20t

The "Malt flour" in your bread is probably mostly sugar: https://en.wikipedia.org/wiki/Malt#:~:text=modifying%20the%20grains%27%20starches%20into%20various%20types%20of%20sugar%2C%20including%20monosaccharide%20glucose%2C%20disaccharide%20maltose%2C%20trisaccharide%20maltotriose%2C%20and%20higher%20sugars%20called%20maltodextrines https://en.wikipedia.org/wiki/Malt#:~:text=modifying%20the%2.... Also, it is pretty easy to buy bread not containing sugar in the US.