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 Victura

Quick 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
Sourdough Bread food photo
Sourdough Bread — real food photo
Sourdough Bread portion size visual
Portion size
Sourdough Bread calories and macros infographic
Calories & macros

Serving calculator

How much did you eat or drinkSourdough 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

Protein10.8g
Carbohydrates51.9g
Fat2.4g
Fiber2.2g
Sugar0.0g
Glycemic index54medium

Minerals

  • Selenium: 27mcg

Scientific explanation

Research-backed

Sourdough 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 insight

Among 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

Yes — a sourdough bread is a whole food with measurable nutrients. Healthiness depends on overall diet, portions, and your goals. Estimated GI is 54.

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

Revision & correction policy

References

  1. USDA FoodData Central(usda)
  2. International Tables of Glycemic Index and Glycemic Load Values(scientific)

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