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grains

Sourdough Bread

-0.2

Sourdough fermentation partially breaks down gluten and phytic acid, creating a more digestible bread with reduced inflammatory potential compared to conventional wheat bread.

Ingredient score breakdown

Lactic acid fermentation

-0.6

Bacterial fermentation pre-digests proteins, reduces phytic acid, and produces beneficial organic acids that support gut health.

Lower glycemic response

-0.3

Fermentation process reduces starch availability, creating a slower glucose release than regular bread.

Partially degraded gluten

+0.5

While easier to digest, sourdough still contains gluten and can trigger inflammation in sensitive individuals.

Refined flour base

+0.2

Most sourdough uses white flour with reduced fiber and nutrient content compared to whole grain options.

Why this score

This score is ingredient-based and weighted by DII-inspired evidence. Foods with added sugar, refined starches, and heavy processing trend higher; foods with fiber, omega-3, and polyphenols trend lower.

FODMAP note

Lower FODMAP than regular bread due to fermentation breaking down fructans. Spelt sourdough is often better tolerated.

Healthier alternatives

  • whole wheat bread
  • sprouted grain bread

Related foods

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