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Corned Beef Sub (Medium)

Corned Beef Sub (Medium) at Firehouse Subs has 740 calories, 45g protein, 54g carbs and 39g fat — sourced from Firehouse Subs Nutrition, not AI guesses. Medium white sub, USDA Choice corned beef brisket, provolone, mayo, brown mustard, lettuce, tomato, onion.

Corned Beef Sub (Medium)
740calories
45gprotein
54gcarbs
39gfat
High protein Contains dairy, gluten, eggs
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At Firehouse Subs, the Corned Beef Sub (Medium) is a solid high-protein order. That works out to 6.1g of protein per 100 calories — 9g above the 36g Firehouse Subs average. Its macros land at roughly 24% of calories from protein, 29% from carbs and 47% from fat. Contains dairy, gluten, eggs.

Source: Firehouse Subs Nutrition ↗, last verified Jun 17, 2026. Menus change periodically; values may vary by location. How we verify →

See all 16 Firehouse Subs meals →  ·  Highest-protein Firehouse Subs meals →

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Corned Beef Sub (Medium) — common questions

How much protein is in the Corned Beef Sub (Medium) at Firehouse Subs?
The Corned Beef Sub (Medium) has 45g of protein. It's the #3 highest-protein item on the Firehouse Subs menu we track. It also has 740 calories, 54g carbs and 39g fat, per Firehouse Subs Nutrition.
How many calories are in the Corned Beef Sub (Medium)?
The Corned Beef Sub (Medium) at Firehouse Subs has 740 calories, according to Firehouse Subs Nutrition.
Is the Corned Beef Sub (Medium) high in protein?
Yes — at 45g of protein it clears the 30g high-protein bar, ands the #3 highest-protein item on the Firehouse Subs menu we track.
Does the Corned Beef Sub (Medium) contain allergens?
Per Firehouse Subs Nutrition, the Corned Beef Sub (Medium) contains dairy, gluten, eggs. Preparation and cross-contact vary by location — check with the restaurant if you have an allergy.
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