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

Tuna - Medium

Cold SubsPopular

Medium White Sub Roll: ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MALTED BARLEY FLOUR, WATER, SUGAR, YEAST, SOYBEAN OIL, SALT, WHEAT GLUTEN, DOUGH CONDITIONER (ASCORBIC ACID, ENZYMES), CALCIUM PROPIONATE (PRESERVATIVE), VINEGAR, MOLD INHIBITOR (CULTURED WHEAT FLOUR, FERMENTED LACTIC ACID), L-CYSTEINE

1 Sub (5g)
Serving Size
5 g
Serving Weight
905
Calories
Per serving
39.2 g
Protein
60.5 g
Carbs
56.6 g
Fat

Nutrition Facts

Amount per serving

Calories905 kcal
% Daily Value*
Total Fat 56.6 g73%
Saturated Fat 10.1 g51%
Trans Fat 0 g
Cholesterol 83 mg28%
Sodium 1,574 mg68%
Total Carbohydrate 60.5 g22%
Dietary Fiber 4 g14%
Total Sugars 10.3 g
Protein 39.2 g78%
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

905
kcal
Protein39.2 g (17%)
Carbs60.5 g (27%)
Fat56.6 g (56%)
Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Key Nutrients

Protein 39.2 g78%
Fiber 4 g14%
Sodium 1,574 mg68%
Sugars 10.3 g
Saturated Fat 10.1 g51%
How we calculate these values

Ingredients

Medium White Sub Roll: ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MALTED BARLEY FLOUR, WATER, SUGAR, YEAST, SOYBEAN OIL, SALT, WHEAT GLUTEN, DOUGH CONDITIONER (ASCORBIC ACID, ENZYMES), CALCIUM…

Allergens

Contains

WheatMilkEggSoy

May contain

Not listed

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