Calories in Sourdough Bread
Sourdough bread is a fermented bread made using a 'starter' culture of wild yeast and bacteria. It typically has a chewy texture and a distinctive tangy flavor. Nutritionally, it's a good source of carbohydrates and provides some protein and fiber.

Common Variations
| Variation | Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 100 g | 100 g | 274 | 8.8g | 51.9g | 3g |
| 1 large slice (5" x 2-1/2" x 1") (35g) | 1 large slice (5" x 2-1/2" x 1") (35g) | 96 | 3.1g | 18.2g | 1.1g |
| 1 oz (28g) | 1 oz (28g) | 78 | 2.5g | 14.7g | 0.9g |
| 1 small slice (2-1/2" x 2" x 1/2") (15g) | 1 small slice (2-1/2" x 2" x 1/2") (15g) | 41 | 1.3g | 7.8g | 0.5g |
| 1 serving (25 g) | 1 serving (25 g) | 68 | 2.2g | 13g | 0.8g |
Health Benefits
Improved digestibility due to the fermentation process breaking down gluten and starches.
Better nutrient absorption, as fermentation can reduce phytates that inhibit mineral absorption.
Potentially lower glycemic index compared to regular white bread, leading to a more stable blood sugar response.
Nutrition Tips
- Pair sourdough with healthy fats like avocado or olive oil to enhance satiety and nutrient absorption.
- Be mindful of portion sizes, as even healthy breads can contribute significantly to calorie intake if consumed in large quantities.
- Opt for whole grain sourdough varieties to increase your fiber intake, which supports digestive health and blood sugar control.
- Consider nutrient-dense toppings such as lean protein, vegetables, or nut butter instead of high-sugar spreads.
- Store sourdough bread properly in a bread box or sealed bag to maintain freshness and prevent mold, extending its shelf life.
GAYA Tracking Tip
For accurate tracking of sourdough bread, ensure your photo clearly shows the thickness and size of the slice. If it's part of a sandwich, try to photograph the bread separately or note its specific type and quantity.
Frequently Asked Questions
Is sourdough bread healthier than regular white bread?+
Sourdough bread is often considered healthier than regular white bread due to its fermentation process. This process can improve digestibility, nutrient availability, and may result in a lower glycemic index, making it a better choice for some individuals.
Does sourdough bread contain gluten?+
Yes, sourdough bread made from wheat flour does contain gluten. While the fermentation process can break down some of the gluten, it is not gluten-free and is not suitable for individuals with celiac disease or severe gluten sensitivity.
How many calories are in a typical slice of sourdough bread?+
A typical slice of sourdough bread, weighing approximately 50 grams, contains around 133 calories. This can vary slightly based on the specific recipe, ingredients, and thickness of the slice.
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