Low FODMAP Firehouse Subs: Hot Subs Without the Hot Mess in Your Gut

Low FODMAP Firehouse Subs: Hot Subs Without the Hot Mess in Your Gut

By Dr. Onikepe Adegbola, MD PhD — Johns Hopkins-trained physician-scientist

Firehouse Subs' steamed meat subs are built on a simple foundation — sliced deli meats, cheese, and toppings on a toasted roll. With smart customization, several options work for FODMAP-sensitive diners.

Key Takeaways

• Most deli meats (turkey, ham, roast beef) are low FODMAP
• Go with a small/medium sub to keep wheat intake within safe limits
• Safe toppings: lettuce, tomato, pickles, green peppers, mustard, oil and vinegar
• Avoid: onions, banana peppers, Italian dressing (garlic), mayo (check for garlic)
• Digestive enzymes for wheat in the sub roll

Safe Options

• ✅ Turkey Bacon Ranch — no ranch, add mustard — Turkey + bacon. Skip the ranch (garlic).
• ✅ Hook & Ladder — hold the onion, light mayo — Turkey, ham, Monterey Jack. Safe meats.
• ✅ New York Steamer — no onion, no mushroom — Corned beef, pastrami, provolone.
• ✅ Ham sub — plain with lettuce, tomato, pickles

Your Best Order

"Medium turkey sub. Lettuce, tomato, pickles, green peppers. Mustard only. No onions."

Take FODMAP digestive enzymes. For more sub shop guides, see our Subway guide and Jersey Mike's guide.

Menu items vary. This is educational content only, not medical advice.