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Subway Tuna (Footlong): calories, sugar and salt
Per footlong sub of Subway Tuna (Footlong) contains 740 kcal, 11g of sugar (2.8 teaspoons) and 3.2g of salt. It is classified as NOVA 4 under the NOVA food processing classification system.
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Nutrition in Subway Tuna (Footlong)
Subway Tuna (Footlong) contains 740 kcal, 22g of fat (4g saturated), 82g of carbohydrate (11g sugar), 42g of protein and 3.2g of salt per per footlong sub.
Nutrition by serving: Subway Tuna (Footlong)
Serving
Calories
Salt
Sugar
= teaspoons
Carbs
Protein
Per footlong sub
740 kcal
3.2g
11g
2.8 tsp
82g
42g
Salt amber above 20% of 6g adult daily limit, red above 75%. Sugar in teaspoons at 4g each.
Sugar in Subway Tuna (Footlong)
Sugar by portion: Subway Tuna (Footlong)
Portion
Adult (female) 30g
Adult (male) 30g
Age 11 to 17 30g
Age 7 to 10 24g
Age 4 to 6 19g
Per footlong sub
11g 37%
11g 37%
11g 37%
11g 46%
11g 58%
Teaspoons
2.8 tsp
Percentage shown is % of daily reference intake for each age group.
Salt in Subway Tuna (Footlong)
Salt by portion: Subway Tuna (Footlong)
Portion
Adult (female) 6g
Adult (male) 6g
Age 11 to 17 6g
Age 7 to 10 5g
Age 4 to 6 3g
Per footlong sub
3.2g 53%
3.2g 53%
3.2g 53%
3.2g 64%
3.2g 107%
Percentage shown is % of daily reference intake for each age group.
Calories in Subway Tuna (Footlong)
Calories by portion: Subway Tuna (Footlong)
Portion
Adult (female) 2000 kcal
Adult (male) 2500 kcal
Age 11 to 17 1936 kcal
Age 7 to 10 1553 kcal
Age 4 to 6 1291 kcal
Per footlong sub
740 kcal 37%
740 kcal 30%
740 kcal 38%
740 kcal 48%
740 kcal 57%
Percentage shown is % of daily reference intake for each age group.
Saturated fat in Subway Tuna (Footlong)
Saturated fat by portion: Subway Tuna (Footlong)
Portion
Adult (female) 20g
Adult (male) 30g
Age 11 to 17 20g
Age 7 to 10 18g
Age 4 to 6 16g
Per footlong sub
4g 20%
4g 13%
4g 20%
4g 22%
4g 25%
Percentage shown is % of daily reference intake for each age group.
UPF classification: is Subway Tuna (Footlong) ultra-processed?
NOVA 4: ultra-processed food
Tuna with lite mayo; commercial bread with flour treatment agents.
The NOVA classification system groups foods by the extent and purpose of processing. NOVA 4 covers products containing industrial additives not typically used in home cooking.
Ingredients
Ingredients
Tuna (with lite mayonnaise), Hearty Italian bread (wheat flour), lettuce, tomato, cucumber, onion.
Allergens at a glance
Allergen information: Subway Tuna (Footlong)
Milk
Not present
Wheat / Gluten
Present
Egg
Present
Soya
Not present
Peanuts
Not present
Tree Nuts
Not present
Fish
Present
Shellfish
Not present
Celery
Not present
Mustard
Present
Sesame
Not present
Lupin
Not present
Molluscs
Not present
Sulphur Dioxide / Sulphites
Not present
All food is freshly prepared in Subway's kitchens. EGG, FISH, MILK, SESAME, SOYA, TREE NUTS, cereals containing GLUTEN, SULPHITES, CELERY and MUSTARD are handled in store and cross-contamination cannot be guaranteed. Always check with store staff if you have an allergy.
Frequently asked questions
Per footlong sub of Subway Tuna (Footlong) contains 740 kcal — 37% of the adult 2,000 kcal daily reference intake.
Per footlong sub contains 11g of sugar — 2.8 teaspoons.
Per footlong sub contains 3.2g of salt.
Per footlong sub contains 42g of protein — 84% of the adult 50g daily reference intake.
Tuna (Footlong) contains: Wheat / Gluten, Fish, Egg, Mustard. All food is freshly prepared in Subway's kitchens. EGG, FISH, MILK, SESAME, SOYA, TREE NUTS, cereals containing GLUTEN, SULPHITES, CELERY and MUSTARD are handled in store and cross-contamination cannot be guaranteed. Always check with store staff if you have an allergy.
Tuna (Footlong) is classified as NOVA 4. Tuna with lite mayo; commercial bread with flour treatment agents.
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Source: Source: Subway UK official Nutritional Information guide (September 2025) and Allergen Information guide (May 2026). FatSecret UK and CalorieKing used for cross-reference. Nutrition shown for standard build on Hearty Italian Bread with standard salad, no sauce, unless otherwise stated. NOVA classification from ingredient list at time of writing. For guidance only, not medical advice.
