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Sourdough bread Calories
Naturally fermented bread
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 slice (medium) of Sourdough bread (40 g) has 116 calories. That works out to 289 calories per 100 g. It contains 22.5 g of carbs, 3.6 g of protein, 0.8 g of fat and 1.1 g of fiber. Its 11.2 µg of Selenium covers 20% of the Daily Value. Its glycemic index is 54 (low), so it raises blood sugar slowly.
Sourdough bread Nutrition Facts
Selected: 1 slice (medium) · 40 g
116
KCAL / 40G
Carbs
22.5g
· 8% DV
Protein
3.6g
· 7% DV
Fat
0.8g
· 1% DV
Fiber
1.1g
· 4% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 81% · Protein 13% · Fat 6%
Sourdough bread nutrition facts table · 1 slice (medium) (40 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 116 kcal | |
| Total fat | 0.8 g | 1% |
| Saturated fat | 0.16 g | 1% |
| Trans fat | 0 g | |
| Sodium | 196 mg | 9% |
| Total carbohydrate | 22.5 g | 8% |
| Fiber | 1.1 g | 4% |
| Protein | 3.6 g | 7% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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How Many Calories in 1 Slice of Sourdough bread?
| Serving | Amount | Calories |
|---|---|---|
| 1 slice (medium) | 40 g | 116 kcal |
| 1 slice (thin) | 25 g | 72 kcal |
| 1 cup (diced) | 45 g | 130 kcal |
| 1 piece (small) | 50 g | 145 kcal |
| 1 slice (thick) | 60 g | 173 kcal |
| 1 serving (medium) | 75 g | 217 kcal |
| 2 slice (double) | 80 g | 231 kcal |
| 100 g | 100 g | 289 kcal |
| 1 piece (large) | 100 g | 289 kcal |
Calculated from 289 calories per 100 g.
Frequently Asked Questions About Sourdough bread
Is sourdough bread healthier than regular bread?
Sourdough bread can be a nutritious choice, but fermentation alone does not make it healthier than every other loaf. The flour matters: whole-grain sourdough generally provides more fiber than a version made mainly with refined flour.
Why does sourdough bread taste sour?
Sourdough bread tastes sour because wild yeast and lactic acid bacteria produce acids as the starter ferments. A longer fermentation often brings a sharper tang, while the starter’s feeding and storage conditions also shape the flavor.
Is sourdough bread easier to digest?
Some people find sourdough bread easier to digest because fermentation breaks down part of the dough’s carbohydrates and proteins. It still contains gluten, though, so it is not suitable for someone who must avoid gluten because of celiac disease.
How should you store sourdough bread?
Store sourdough bread cut-side down in a bread box or breathable bag at room temperature, away from heat and moisture. Avoid sealing a fresh loaf in plastic if you want to preserve its crisp crust; freeze it for longer storage.
Can you freeze sourdough bread?
Yes, sourdough bread freezes well. Slice the loaf first, seal the slices in a freezer-safe bag, and take out only what you need. Toast frozen slices directly, or let them thaw at room temperature.
Why is my sourdough bread dense?
Sourdough bread is often dense when the starter is weak, the dough has not fermented long enough, or it has been over-proofed and collapsed. Use an active starter, and judge fermentation by the dough’s rise and feel rather than the clock alone.
How do you get a crisp crust on sourdough bread?
To get a crisp crust on sourdough bread, bake it in a thoroughly heated oven and create steam early in the bake, often with a covered Dutch oven. Uncovering it for the final part of baking helps the crust brown and dry.
What can you do with sourdough bread starter discard?
Sourdough bread starter discard can be used in pancakes, crackers, or flatbreads, adding a mild tang. Use discard that has been stored cleanly and has no mold or unusual discoloration; discard is leftover starter, not bread crumbs.
How do you refresh stale sourdough bread?
To refresh stale sourdough bread, lightly dampen the crust and warm the loaf in the oven until the outside crisps again. This helps temporarily, but it cannot make moldy bread safe; throw away the whole loaf if you see mold.
What goes well with sourdough bread?
Sourdough bread pairs well with soups, eggs, cheese, and savory spreads. Its tangy flavor works especially well with rich toppings, while a toasted slice can also hold avocado or a fried egg without becoming soggy as quickly.
Sourdough bread Vitamins & Minerals
Vitamins
B1
0.14mg · 12% DV
B3
1.64mg · 10% DV
Folate
29.6µg · 7% DV
B2
0.08mg · 6% DV
Minerals
Selenium
11µg · 20% DV
Manganese
0.26mg · 11% DV
Sodium
196mg · 9% DV
Copper
0.06mg · 7% DV
Potassium ⭐
50mg · 1% DV
Sourdough bread Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Sourdough bread
To burn the 116 calories in 1 slice (medium) (40 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
What is Sourdough bread?
Sourdough bread is made from flour and water leavened with a fermented starter rather than relying only on packaged baker’s yeast. The long fermentation gives the loaf its characteristic tang, while the exact flour, crumb and crust vary by baker and region.
It is often sliced for toast or sandwiches, served alongside soup, or put on the table with cheese, eggs and other breakfast foods. The flavour is pleasantly tart and the crumb can be chewy, with a crisp crust. It is mainly a source of carbohydrates, with some protein and fibre; a medium slice is an easy portion to pair with eggs, beans or vegetables for a more filling meal.
How Nutritious Is Sourdough bread?
Nutrient density
Medium
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Satiety score
Medium
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
Is Sourdough bread Processed?
NOVA 2
Minimally Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Sourdough bread Contain Allergens?
Contains these allergens:
Which Diets Is Sourdough bread Good For?
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
— Not suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Sourdough bread Fat Profile
SATURATED
0.16g
MONOUNSATURATED
0.11g
POLYUNSATURATED
0.3g
Omega 6:3 ratio 14:1
Above the ideal 4:1 (14:1).
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Nutrition data compiled from USDA FoodData Central and scientific sources.