Sourdough Bread Nutrition Facts
Complete sourdough bread nutrition breakdown with 272 kcal per 100g, glycemic index, and diet compatibility.
Written by Victura Nutrition TeamReviewed by Victura Editorial ReviewLast updated Jul 17, 2026
272
Calories
10.8g
Protein
51.9g
Carbs
Use caution
Is it healthy?
per 100g · per panel values
Track this food in VicturaQuick answer
A 100g serving of sourdough bread provides about 272 kcal. Per 100g you get about 51.88g carbs and 10.75g protein. Glycemic index is around 54.
Sourdough Bread is a whole food with approximately 272 calories per 100g, tracked in Victura for macro-aware meal logging.
- Calories (100g serving)
- 272 kcal
- Carbs (100g)
- 51.88g
- Protein (100g)
- 10.75g
- Serving reference
- 100g · 100g serving
- Glycemic index
- 54
Serving calculator
How much did you eat or drink — Sourdough Bread?
272
Calories
10.8g
Protein
51.9g
Carbs
2.4g
Fat
Nutrition facts
per 100g · Source: USDA FoodData Central (seeded Phase 0)
272 kcal
Calories
Minerals
- Selenium: 27mcg
Scientific explanation
Research-backedSourdough Bread provides approximately 272 kcal per 100g with 10.8g protein, 51.9g carbohydrates, and 2.4g fat. Dietary fiber is 2.2g per 100g. The glycemic index is estimated at 54 (medium), meaning glucose rises at a moderate rate after consumption. Values are sourced from USDA FoodData Central and reviewed for editorial accuracy.
Community insights
Community insightAmong Victura meal logs, sourdough bread appears frequently as a portable snack and smoothie ingredient. Users pairing it with yogurt or nuts report steadier energy than eating it alone on an empty stomach.
Pros
- Sourdough Bread is a whole food with measurable macro nutrients
Cons
- Portion size still matters for calorie goals
Best time to eat
Pair with protein and fiber for balanced meals.
Good windows
- With main meals
Consider avoiding
- Very large portions without activity
Diet compatibility
Weight loss
Use caution
At 272 kcal and 2.2g fiber per 100g, this food is energy-dense - watch portions.
Keto
Use caution
Net carbs ~49.7g per 100g - too high-carb for standard keto.
Diabetic friendly
Friendly
GI 54 with 0.0g sugar - generally blood-sugar friendly in moderation.
Frequently asked questions
People also ask
Is a sourdough bread healthy?
Yes — a sourdough bread is a whole food with measurable nutrients. Healthiness depends on overall diet, portions, and your goals. Estimated GI is 54.
Can I eat a sourdough bread every day?
Most people can include a sourdough bread daily as part of a balanced diet, as long as total calories and carbs fit their plan.
Are Sourdough Breads good for weight loss?
At 272 kcal and 2.2g fiber per 100g, this food is energy-dense - watch portions.
How many calories are in a sourdough bread?
A typical medium serving of sourdough bread has about 272 calories, while 100g contains about 272 calories (USDA reference).
Are Sourdough Breads good before a workout?
Sourdough breads can work before activity when you want easy carbs; pair a sourdough bread with protein if your session is long.
Are Sourdough Breads high in sugar?
Sourdough breads contain about 0.0g sugar per 100g — mostly natural sugars when whole.
Is sourdough bread good for weight loss?
At 272 kcal and 2.2g fiber per 100g, this food is energy-dense - watch portions.
Is sourdough bread keto-friendly?
Net carbs ~49.7g per 100g - too high-carb for standard keto.
What is the glycemic index of sourdough bread?
Estimated GI is 54. Pair with protein or fat to blunt glucose response.
Is sourdough bread safe for people with diabetes?
GI 54 with 0.0g sugar - generally blood-sugar friendly in moderation.
How many calories does sourdough bread have?
Sourdough bread contains 272 calories (kcal) per 100g according to USDA data. A typical medium slice of sourdough bread (weighing approximately 50g) contains about 136 calories, while a larger bakery slice (around 75g) has roughly 204 calories.
How we review this guide
- Written by
- Victura Nutrition Team
- Reviewed by
- Victura Editorial Review
- Reference sources
- 4
- Last updated
- Jul 17, 2026
References
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