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Last updated: Aug 9, 2026
Illustration for reference only
Firehouse Subs

Mayonnaise

Medium Sub CondimentsPopular

SOYBEAN OIL, WATER, CORN SYRUP, EGG YOLKS, DISTILLED AND CIDER VINEGAR, SALT, MUSTARD SEED AND CALCIUM DISODIUM EDTA TO PROTECT FLAVOR

1 Ounces
Serving Size
Not provided
Serving Weight
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203
Calories
Per serving
0 g
Protein
2 g
Carbs
22.3 g
Fat

Nutrition Facts

Amount per serving

Calories203 kcal
% Daily Value*
Total Fat 22.3 g29%
Saturated Fat 3 g15%
Trans Fat 0 g—
Cholesterol 10 mg3%
Sodium 132 mg6%
Total Carbohydrate 2 g1%
Dietary Fiber 0 g0%
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

203
kcal
Protein0 g (0%)
Carbs2 g (4%)
Fat22.3 g (96%)
Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Key Nutrients

Protein 0 g0%
Fiber 0 g0%
Sodium 132 mg6%
Sugars 0 g—
Saturated Fat 3 g15%
How we calculate these values

Ingredients

SOYBEAN OIL, WATER, CORN SYRUP, EGG YOLKS, DISTILLED AND CIDER VINEGAR, SALT, MUSTARD SEED AND CALCIUM DISODIUM EDTA TO PROTECT FLAVOR.

Allergens

Contains

EggSoy

May contain

Not listed

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Nutrition data is sourced from our database and may vary by location or preparation.