Early version. Nutrient values from USDA FoodData Central; dietitian review in progress. Not medical advice.

Sourdough bread vs white bread: which is healthier?

They are about equally nutrient-dense: sourdough bread scores 21/100 and white bread 20/100, so pick by your goal. Both can be part of a healthy diet; the table below shows where each one is stronger. Source: USDA FoodData Central.

Sourdough bread

21/100Lower nutrient density

272 kcal per 100 g. 1 slice: 32 g

White bread

20/100Lower nutrient density

266 kcal per 100 g. 1 slice: 25 g

Which to pick for your goal

  • Fewer caloriesAbout even272 vs 266 kcal per 100 g
  • More proteinSourdough bread11 vs 8.8 g per 100 g
  • More fiberWhite bread2.2 vs 2.7 g per 100 g
  • Less sugarSourdough bread4.6 vs 5.7 g per 100 g
  • More potassiumAbout even117 vs 126 mg per 100 g
  • Less saturated fatAbout even0.5 vs 0.7 g per 100 g

Nutrition side by side

Per 100 g and per typical portion. Bold marks the better value for each row.
NutrientSourdough bread, 100 gWhite bread, 100 gSourdough bread, 32 gWhite bread, 25 g
Calories272 kcal266 kcal87 kcal67 kcal
Protein11 g8.8 g3.4 g2.2 g
Carbohydrates52 g49 g17 g12 g
Sugars4.6 g5.7 g1.5 g1.4 g
Fiber2.2 g2.7 g0.7 g0.7 g
Fat2.4 g3.3 g0.8 g0.8 g
Saturated fat0.5 g0.7 g0.2 g0.2 g
Vitamin C0 mg0 mg0 mg0 mg
Vitamin A0 µg0 µg0 µg0 µg
Potassium117 mg126 mg37 mg32 mg
Iron3.9 mg3.6 mg1.3 mg0.9 mg
Calcium52 mg144 mg17 mg36 mg
Magnesium32 mg23 mg10 mg5.8 mg
Sodium602 mg490 mg193 mg123 mg

Last updated . Scores use the HowHealthyIs Score method.

All about sourdough bread All about white bread Open in compare tool