Updated 2026-05-31

Firehouse Subs
Check what is in the current Firehouse Subs menu before you order.
Menu items in current report
78
Menu items that contain additives
97%
Menu items that contain seed oils
94%
Additives
List of additives used at Firehouse Subs
Calcium propionateLimited · Restricted - CA use limitsUsed in 67 menu itemsDextroseModerateUsed in 57 menu itemsSodium phosphateModerate · Restricted - USUsed in 57 menu itemsSodium nitriteModerateUsed in 53 menu itemsEDTALimitedUsed in 51 menu itemsMaltodextrinLimitedUsed in 50 menu itemsCarrageenanLimitedUsed in 34 menu itemsCaramel colourLimited · Restricted - CaliforniaUsed in 27 menu itemsHigh-fructose corn syrupModerate · Restricted - CodexUsed in 25 menu itemsPotassium sorbateLimitedUsed in 25 menu itemsSodium benzoateLimited · Restricted - CanadaUsed in 25 menu itemsXanthan GumLimitedUsed in 16 menu itemsPropylene glycol alginateLowUsed in 12 menu itemsSulfitesModerate · Restricted - AUUsed in 9 menu itemsGuar gumLimited · Banned - EU infant-use restrictedUsed in 7 menu itemsSilicon dioxideLimitedUsed in 5 menu itemsArtificial flavouringLimitedUsed in 3 menu itemsMono- and diglyceridesLimitedUsed in 3 menu itemsMonosodium glutamateLimited · Restricted - US-GUUsed in 3 menu itemsButylated hydroxytolueneLimited · Restricted - Use limits in CanadaUsed in 2 menu itemsSodium acid pyrophosphateModerate · Restricted - Allowed with use limitsUsed in 2 menu items
Seed oils
List of seed oils used at Firehouse Subs
Soybean OilLimited · Restricted - Broad use is allowed; Louisiana requires a future food-service disclosure notice for seed oils, including soybean oil, but no sale ban was found.Used in 73 menu itemsCanola OilLowUsed in 17 menu itemsSunflower OilLimited · Restricted - LouisianaUsed in 13 menu itemsCottonseed OilLimitedUsed in 3 menu items