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Last updated: Aug 9, 2026

Firehouse Subs

Sliced Pepperoncini

Large Sub ToppingsPopular

Firehouse Subs Sliced Pepperoncini is carb-leaning, with about 100% of macro calories from carb. Each serving has 15 calories, 0g protein, 3g carbs, and 0g fat, making it a lighter restaurant option to compare with larger meals.

4.6 Tbsp (42.5g)

Serving Size

42.5 g

Serving Weight

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Calories

Per serving

0 g

Protein

3 g

Carbs

0 g

Fat

Nutrition Facts

Amount per serving

Calories15 kcal

% Daily Value*

Total Fat 0 g0%

Saturated Fat 0 g0%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 645 mg28%

Total Carbohydrate 3 g1%

Dietary Fiber 1.5 g5%

Total Sugars 0 g—

Protein 0 g0%

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

kcal

Protein0 g (0%)

Carbs3 g (100%)

Fat0 g (0%)

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

Meal Planning Insights

Protein density0/10

0% of macro calories come from protein.

Satiety index4/10

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

Activity estimate4 min walk

About 2 minutes of running for these calories.

Key Nutrients

Protein 0 g0%

Fiber 1.5 g5%

Sodium 645 mg28%

Sugars 0 g—

Saturated Fat 0 g0%

How we calculate these values

Diet Compatibility

High protein0/10 protein density from 0g protein and 15 calories.No

Lower carb3g carbs per serving.Yes

Low fat0g total fat per serving.Yes

High sugar0g total sugars per serving.No

High sodium645mg sodium per serving.No

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

Ingredients

PEPPERONCINI, WATER, SALT, CALCIUM CHLORIDE, ACETIC ACID, CITRIC ACID, SODIUM BENZOATE (PRESERVATIVE), SODIUM METABISULFITE, TURMERIC

Similar Items in Large Sub Toppings

View all

Au Jus Bell Peppers5 kcal · 0.2 g protein Au Jus Mushrooms10 kcal · 1.2 g protein Avocado160 kcal · 2 g protein

Compare with other items

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

Quick comparisons

Sliced Pepperoncini has 135 fewer calories than 1% Chocolate Milk and 7g less protein. Compare

Sliced Pepperoncini has 75 fewer calories than 1% Milk and 7g less protein. Compare

1% Chocolate Milk150 kcal · 7 g protein1% Milk90 kcal · 7 g protein5-Cheese Mac & Cheese380 kcal · 17 g proteinApple Juice100 kcal · 0 g proteinAu Jus Bell Peppers5 kcal · 0.2 g proteinAu Jus Bell Peppers3 kcal · 0.1 g protein

Compare with 1% Chocolate Milk

Sliced Pepperoncini Compared With Nearby Items

Compared with Au Jus Mushrooms, another Large Sub Toppings item at Firehouse Subs, Sliced Pepperoncini has 5 more calories than it and 1.2g less 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 Sliced Pepperoncini 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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