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Last updated: Aug 9, 2026

Port of Subs

Sourdough

Bread - Large SubsPopular

Port of Subs Sourdough is carb-leaning, with about 84% of macro calories from carb. Each serving has 410 calories, 13.8g protein, 85.8g carbs, and 1.2g fat, making it better suited to carb-aware planning than low-carb goals.

7.4 Oz (210g)

Serving Size

210 g

Serving Weight

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410

Calories

Per serving

13.8 g

Protein

85.8 g

Carbs

1.2 g

Fat

Nutrition Facts

Amount per serving

Calories410 kcal

% Daily Value*

Total Fat 1.2 g2%

Saturated Fat 0.4 g2%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 892 mg39%

Total Carbohydrate 85.8 g31%

Dietary Fiber 3.4 g12%

Total Sugars 1.1 g—

Protein 13.8 g28%

Vitamin A—

Vitamin C—

Vitamin D—

Calcium—

Iron—

Potassium—

Caffeine—

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.

Nutrition Breakdown

410

kcal

Protein13.8 g (14%)

Carbs85.8 g (84%)

Fat1.2 g (3%)

Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density3.4/10

14% of macro calories come from protein.

Satiety index10/10

Estimated from protein, fiber, calories, and fat balance.

Activity estimate103 min walk

About 41 minutes of running for these calories.

Key Nutrients

Protein 13.8 g28%

Fiber 3.4 g12%

Sodium 892 mg39%

Sugars 1.1 g—

Saturated Fat 0.4 g2%

How we calculate these values

Diet Compatibility

High protein3.4/10 protein density from 13.8g protein and 410 calories.No

Lower carb85.8g carbs per serving.No

Low fat1.2g total fat per serving.Yes

High sugar1.1g total sugars per serving.No

High sodium892mg sodium per serving.Yes

Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Ingredients

Un-Bleached Wheat Flour (Wheat Flour, Malted Barley Flour, Niacin, Iron, Thiamin Mononitrate, Riboflavin, Folic Acid), Water, Sour Sponge In Production, Salt, Arctic (Wheat).

Allergens

Contains

Wheat

Compare with other items

Select up to 3 items to compare calories, protein, sodium, and macros.

Quick comparisons

Sourdough has 3789 fewer calories than 2-Foot Brookie in a Box and 19.4g less protein. Compare

Sourdough has 2789 fewer calories than 2-Foot Brownie in a Box and 9.4g less protein. Compare

2-Foot Brookie in a Box4,199 kcal · 33.2 g protein2-Foot Brownie in a Box3,199 kcal · 23.2 g protein2-Foot Classic Sub Macaroni Salad Center3,815 kcal · 163.6 g protein2-Foot Classic Sub Potato Salad Center3,248 kcal · 158 g protein2-Foot Cookie in a Box3,000 kcal · 30 g protein4x4 Brookie954 kcal · 7.4 g protein

Compare with 2-Foot Brookie in a Box

Sourdough Compared With Nearby Items

Port of Subs Sourdough is listed in the Bread - Large Subs category with 410 calories, 13.8g protein, 85.8g carbs, and 1.2g fat per serving.

Data Source and Methodology

Nutrition values for Sourdough are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 9, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

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