Is Sourdough Bread Actually Healthier Than Regular Bread?

Sourdough has never been more popular. The pandemic baking boom turned millions into sourdough enthusiasts and the trend has not faded. But is sourdough genuinely healthier than regular bread or is it just better marketing? Proponents argue that the long fermentation process partially breaks down gluten, reduces phytic acid that blocks mineral absorption, lowers the glycemic index and produces beneficial organic acids that support gut health. Critics argue that sourdough is still refined carbohydrate, that the glycemic index difference is modest, and that any bread made from white flour is nutritionally similar regardless of fermentation. Is sourdough bread actually healthier or is it artisan bread with a health halo?

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