Breakfast
~20–25% of dayTurkey small
1120 mg Na
400 cal
30 g protein
~49% of a 2,300 mg day
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Items · Breakfast (2)
- 1120mg
- 0mg
Sandwiches 7 items
Firehouse Subs Low Sodium Guide
Hot subs. Always small; light mayo; turkey or veggie.
Interactive sodium calculator + lower-sodium order guide.
Lowest Sodium Option
Veggie small
The lowest-sodium entrée on this menu.
Watch Out For
Medium/large fully loaded
Suggested Meal Plans
Tap a card to load it into the meal calculator · sized for a ~2,000-cal day
Lunch
+ diet sodaVeggie small
920 mg Na
360 cal
14 g protein
~40% of a 2,300 mg day
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Items · Lunch (2)
- 880mg
- 40mg
Dinner
HeartierHook & Ladder light
1180 mg Na
420 cal
32 g protein
~51% of a 2,300 mg day
Load into calculator
Items · Dinner (2)
- 1180mg
- 0mg
Cal
0
Sodium
0 mg
Protein
0 g
Fiber
0 g
Sugar
0 g
Sodium vs 2,300 mg daily value 0%
Load a meal plan or tap menu rows to build a plate.
Menu nutrition
Tap a row to add · tap headers to sort
<600 600–1k >1k
Small turkey ~1120 mg Na typical. Review: 2026-07-16.
No salt & smarter picks
Best bets
Lowest sodium highlights
Water
drink · 0 cal
0g protein
0% of Daily Value (2300mg Na)
Safest Order Tip
Solid lower-sodium pick for this category.
Diet soda
drink · 0 cal
0g protein
2% of Daily Value (2300mg Na)
Safest Order Tip
Solid lower-sodium pick for this category.
Chips
side · 230 cal
3g protein
11% of Daily Value (2300mg Na)
Veggie small
entree · 360 cal
14g protein
38% of Daily Value (2300mg Na)
Safest Order Tip
Solid lower-sodium pick for this category.
How to order
Order tips
- · Small size only
- · Light mayo/oil
- · Turkey or veggie
Avoid / high sodium
Medium/large fully loaded
Common questions
Firehouse Subs low-sodium FAQ
What is the lowest sodium item at Firehouse Subs? +
Water is the lowest-sodium item we track at Firehouse Subs: 0 mg sodium and 0 calories. Every item on this page is ranked by official sodium mg so you can compare before you order.
What is the safest full meal at Firehouse Subs? +
The Veggie small is the lowest-sodium full meal we mapped for Firehouse Subs — about 920 mg sodium and 360 calories (Veggie small, Diet soda). Load it into the meal calculator above to adjust it.
What should I avoid at Firehouse Subs? +
The highest-sodium traps at Firehouse Subs are Medium/large fully loaded. Treat these as occasional orders if you are watching sodium.
How much sodium should I eat in a day? +
The FDA daily value is 2,300 mg of sodium per day — about one teaspoon of salt. Many heart-health guidelines suggest 1,500–2,000 mg. A single fast-food combo can exceed that, which is why every Firehouse Subs item here lists its sodium mg.
Sources
Not medical advice. Verify on brand tools for your location.
Guides
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