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Last updated: Aug 9, 2026

Potbelly

Fireball, BIGS

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

Potbelly Fireball, BIGS is fat-leaning, with about 48% of macro calories from fat. Each serving has 1,421 calories, 68.5g protein, 114.2g carbs, and 74.3g fat, making it better suited to carb-aware planning than low-carb goals.

1 Sandwich (85.1g)

Serving Size

85.1 g

Serving Weight

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1,421

Calories

Per serving

68.5 g

Protein

114.2 g

Carbs

74.3 g

Fat

Nutrition Facts

Amount per serving

Calories1,421 kcal

% Daily Value*

Total Fat 74.3 g95%

Saturated Fat 33.6 g168%

Trans Fat 1.4 g—

Cholesterol 185 mg62%

Sodium 3,812 mg166%

Total Carbohydrate 114.2 g42%

Dietary Fiber 14.4 g51%

Total Sugars 10.1 g—

Protein 68.5 g137%

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

1,421

kcal

Protein68.5 g (20%)

Carbs114.2 g (33%)

Fat74.3 g (48%)

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

Meal Planning Insights

Protein density4.8/10

20% of macro calories come from protein.

Satiety index10/10

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

Activity estimate355 min walk

About 142 minutes of running for these calories.

Key Nutrients

Protein 68.5 g137%

Fiber 14.4 g51%

Sodium 3,812 mg166%

Sugars 10.1 g—

Saturated Fat 33.6 g168%

How we calculate these values

Diet Compatibility

High protein4.8/10 protein density from 68.5g protein and 1,421 calories.No

Lower carb114.2g carbs per serving.No

Low fat74.3g total fat per serving.No

High sugar10.1g total sugars per serving.No

High sodium3,812mg sodium per serving.Yes

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

Ingredients

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

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

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A Wreck®, BIGS929 kcal · 58.9 g protein

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

Quick comparisons

Fireball, BIGS has 1181 more calories than A Wreck, Catering Portion and 53.5g more protein. Compare

Fireball, BIGS has 771 more calories than A Wreck, Individual Lunch Box and 26.5g more 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, BIGS Compared With Nearby Items

Compared with A Wreck®, BIGS, another Sandwiches - BIGS Nutrition information is provided for BIGS sandwiches made on default bread. item at Potbelly, Fireball, BIGS has 492 more calories than it and 9.6g 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, BIGS 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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