Top 9 · Updated October 2026
Best Low-Sugar Sourdough Sliced Breads
The 9 lowest-sugar sourdough sliced breads products on this list range from 0.2 g to 4.1 g of sugar per 100 g. The sourdough sliced breads with the least sugar per 100 g, ranked using label data. Ties are broken by Nutri-Score. We checked 9 sourdough sliced breads with complete data.
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How we built this list
We ranked all published sourdough sliced breads on Foodmetria that have a photo and the required nutrition data, using values per 100 g from the product label. Ties are broken by Nutri-Score and by how often shoppers scan the product. Rankings update automatically as label data changes. Read our methodology.