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Sweet Mustard
Firehouse Subs Sweet Mustard is carb-leaning, with about 100% of macro calories from carb. Each serving has 50 calories, 0g protein, 12g carbs, and 0g fat, making it a lighter restaurant option to compare with larger meals.
Nutrition Facts
Amount per serving
* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.
Nutrition Breakdown
Meal Planning Insights
0% of macro calories come from protein.
Estimated from protein, fiber, calories, and fat balance.
About 5 minutes of running for these calories.
Key Nutrients
Diet Compatibility
Ingredients
LIGHT BROWN SUGAR (CANE SUGAR AND MOLASSES), MUSTARD (DISTILLED VINEGAR, #1 MUSTARD SEED, SALT, TURMERIC AND SPICES), WATER, APPLE CIDER VINEGAR, PERUVIAN SEASONING (SALT, SPICES, POPPY SEED, GRANULATED GARLIC, BLACK PEPPER, CRUSHED RED PEPPER, GRANULATED…
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Sweet Mustard Compared With Nearby Items
Firehouse Subs Sweet Mustard is listed in the Medium Sub Condiments category with 50 calories, 0g protein, 12g carbs, and 0g fat per serving.
Data Source and Methodology
Nutrition values for Sweet Mustard 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.
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