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Last updated: Aug 9, 2026

Potbelly

Fireball, Skinny

Sandwiches - Skinnys Nutrition information is provided for Skinnys sandwiches made on default bread.Popular

Potbelly Fireball, Skinny is fat-leaning, with about 47% of macro calories from fat. Each serving has 677 calories, 32.5g protein, 56.6g carbs, and 34.5g fat, making it a stronger fit for high-protein restaurant planning.

(28.4g)

Serving Size

28.4 g

Serving Weight

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677

Calories

Per serving

32.5 g

Protein

56.6 g

Carbs

34.5 g

Fat

Nutrition Facts

Amount per serving

Calories677 kcal

% Daily Value*

Total Fat 34.5 g44%

Saturated Fat 15.3 g76%

Trans Fat 0.7 g—

Cholesterol 85 mg28%

Sodium 1,714 mg75%

Total Carbohydrate 56.6 g21%

Dietary Fiber 6.9 g25%

Total Sugars 5.1 g—

Protein 32.5 g65%

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

677

kcal

Protein32.5 g (19%)

Carbs56.6 g (34%)

Fat34.5 g (47%)

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

Meal Planning Insights

Protein density4.8/10

19% of macro calories come from protein.

Satiety index10/10

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

Activity estimate169 min walk

About 68 minutes of running for these calories.

Key Nutrients

Protein 32.5 g65%

Fiber 6.9 g25%

Sodium 1,714 mg75%

Sugars 5.1 g—

Saturated Fat 15.3 g76%

How we calculate these values

Diet Compatibility

High protein4.8/10 protein density from 32.5g protein and 677 calories.No

Lower carb56.6g carbs per serving.No

Low fat34.5g total fat per serving.No

High sugar5.1g total sugars per serving.No

High sodium1,714mg sodium per serving.Yes

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

Ingredients

Bread - Multigrain, Skinny, Meatballs, Cheddar, Chili, Hot Peppers

Similar Items in Sandwiches - Skinnys Nutrition information is provided for Skinnys sandwiches made on default bread.

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A Wreck®, Skinny436 kcal · 27.4 g protein

Compare with other items

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

Quick comparisons

Fireball, Skinny has 437 more calories than A Wreck, Catering Portion and 17.5g more protein. Compare

Fireball, Skinny has 27 more calories than A Wreck, Individual Lunch Box and 9.5g less protein. Compare

A Wreck, Catering Portion240 kcal · 15 g proteinA Wreck, Individual Lunch Box650 kcal · 42 g proteinA Wreck® Salad367 kcal · 30.4 g proteinA Wreck® Salad, Half249 kcal · 20.8 g proteinA Wreck® Wrap566 kcal · 49.5 g proteinA Wreck®, BIGS929 kcal · 58.9 g protein

Compare with A Wreck, Catering Portion

Fireball, Skinny Compared With Nearby Items

Compared with A Wreck®, Skinny, another Sandwiches - Skinnys Nutrition information is provided for Skinnys sandwiches made on default bread. item at Potbelly, Fireball, Skinny has 240 more calories than it and 5.1g more protein than it. That makes this page useful for deciding between nearby menu choices, not just reading a raw nutrition label.

Data Source and Methodology

Nutrition values for Fireball, Skinny 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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