How many calories are in Sourdough Bread?

100 g of Sourdough Bread has 244 kcal. Serving, 1 slice, 45 g (45 g): about 110 kcal.

How much protein is in Sourdough Bread?

Sourdough Bread contains 6.7 g of protein per 100 g (13% of the 50 g Daily Value), or 3 g in serving, 1 slice, 45 g (45 g). About 11% of its calories come from protein. Compared with other beverages, that is above the median (median 0.7 g).

How many carbs are in Sourdough Bread?

Sourdough Bread has 51.1 g of total carbohydrates per 100 g, including 2.2 g of fiber and 0 g of sugars.

How much fat is in Sourdough Bread?

Sourdough Bread contains 1.1 g of fat per 100 g, of which 0 g is saturated (0% of the Daily Value).

What vitamins and minerals does Sourdough Bread contain?

Per 100 g, the most notable amounts relative to the Daily Value are iron (17% DV). The full list is in the vitamins and minerals table above.

How much sodium is in Sourdough Bread?

100 g contains 511 mg of sodium, 22% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From USDA FoodData Central: Branded Foods, record dated October 9, 2026. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Sourdough Bread

Packaged product Beverages San Luis Sourdough

Sourdough Bread contains 244 kcal per 100 g. A serving, 1 slice, 45 g (45 g) provides about 110 kcal.

Roughly 85% of its calories come from carbohydrates, with 11% from protein and 4% from fat (estimated with general energy factors).

That is more energy than the typical item in beverages on FoodFactly, where the median is 58 kcal per 100 g across 60,200 products.

100 g provides 17% of the Daily Value for iron.

The values are label data submitted by the manufacturer to USDA FoodData Central.

Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors

244kcal per 100 g

6.7 gprotein

51.1 gcarbohydrates

1.1 gfat

110kcal in serving, 1 slice, 45 g (45 g)

Nutrition facts

Amount

Nutrition facts for the selected amount
Nutrient	Amount per 100 g	% DV
Calories L	244 kcal
Total fat L	1.1 g	1%
Saturated fat L	0 g	0%
Trans fat L	0 g
Cholesterol L	0 mg	0%
Sodium L	511 mg	22%
Total carbohydrates L	51.1 g	19%
Dietary fiber L	2.2 g	8%
Total sugars L	0 g
Added sugars L	0 g	0%
Protein L	6.7 g	13%
Vitamin A L	0 µg	0%
Vitamin C L	0 mg	0%
Vitamin D L	0 µg	0%
Vitamin E L	0 mg	0%
Vitamin K L	0 µg	0%
Choline L	0 mg	0%
Calcium L	13 mg	1%
Iron L	3.1 mg	17%
Magnesium L	0 mg	0%
Phosphorus L	0 mg	0%
Potassium L	67 mg	1%
Zinc L	0 mg	0%
Copper L	0 mg	0%
Manganese L	0 mg	0%
Selenium L	0 µg	0%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein 11%
Carbohydrates 85%
Fat 4%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Nutritional insights

Protein6.7 gabove the median for beverages (median 0.7 g)
Fiber2.2 gin the top quarter of beverages (median 0.05 g)
Sugars0 gin the lowest quarter of beverages (median 4.9 g)
Fat1.1 gabove the median for beverages (median 0.2 g)
Saturated fat0 gin the lowest quarter of beverages (median 0.1 g)
Sodium511 mgin the top quarter of beverages (median 33.8 mg)
Protein per 100 kcal2.7 gprotein density, useful for comparing foods with different calorie levels

Full nutrient profile

Fats and cholesterol (2)

Monounsaturated fat L	0 g
Polyunsaturated fat L	0 g

Sugars and starch (1)

Starch L	0 g

Carotenoids (1)

Vitamin D (D2 + D3), International Units L	0 IU

Other components (1)

Caffeine L	0 mg

Values by source

More than one dataset describes this food. FoodFactly keeps each source's values separately instead of blending them. The headline values above come from USDA FoodData Central: Branded Foods.

Per 100 g	Open Food Facts	USDA Branded
Calories	275 kcal	244 kcal
Protein	4 g	6.7 g
Carbohydrates	21 g	51.1 g
Fat	1 g	1.1 g
Fiber	1 g	2.2 g
Sugars	2 g	0 g
Sodium	240 mg	511 mg

Product details

Brand: San Luis Sourdough
Barcode: 0018537241575
Quantity: 54 g
Label serving: 1 slice (45 g)
Category: Beverages
Nutri-Score: B as computed by Open Food Facts
NOVA group: 3 processing level (1 to 4), as classified by Open Food Facts

Ingredients

Unbleached Enriched Wheat Flour [Flour, Malted Barley Flour, Reduced Iron, Niacin, Thiamin Mononitrate (Vitamin B1), Riboflavin (Vitamin B2), Folic Acid], Water, Sourdough Starter (Wheat Flour, Water), Salt, Cultured Wheat Flour.

As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.

Ingredient guides: Wheat flour Salt

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Per 100 g. Calories in kcal. n/a: not reported by the source.

Source of the nutrition information

USDA FoodData Central: Branded Foods, record 1897580. License: CC0 1.0 (U.S. public domain). Source record dated December 11, 2020. Imported November 6, 2026.
Open Food Facts, record 0018537241575. License: ODbL 1.0 (Open Food Facts). Source record dated October 9, 2026. Imported November 6, 2026.

Last updated: November 6, 2026. Data quality score: 100/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.