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Subway US Spicy Italian 6 Inch Sub: calories, sodium and protein by portion, age and sex

Boone’s analysis puts Subway US Spicy Italian 6 Inch Sub at 33% of an adult’s daily calories, 111% of the daily sodium limit for a child aged 4 to 8 and 0.7 teaspoons of added sugar.

How many calories are in a Subway US Spicy Italian 6 Inch Sub? It contains 660 calories, 43g of fat (15g saturated), 3g of added sugar and 1,660mg of sodium.

Build a full meal with our nutrition calculator

Use the Boone meal calculator to build a full meal rather than view this item on its own. Add a cookie, a side, a soup or an extra sauce, then choose your age and sex, and switch between US and UK guidance, for a more accurate view of how a Spicy Italian 6 Inch Sub fits into a day.

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Nutrition information

Nutrition information: Subway US Spicy Italian 6 Inch Sub

Calories660
Total fat43g
of which saturated15g
Trans fat1g
Cholesterol90mg
Carbohydrate44g
Total sugars5g
Includes added sugars3g
Fibre3g
Protein26g
Sodium1,660mg

Nutrition figures are Subway’s published US data (October 2026), per item as built by Subway and before any optional extras. Boone converts them to the portion and age comparisons on this page.

Subway US Spicy Italian 6 Inch Sub contains 660 calories, which is 33% of the 2,000-calorie Daily Value used on US food labels. It provides 43g of total fat, of which 15g is saturated, 5g of total sugars (3g added), 1,660mg of sodium, 26g of protein and 3g of fibre.

The saturated fat content of 15g represents 75% of the 20g Daily Value.

Subway US Spicy Italian 6 Inch Sub is built from 9 separately prepared components. Across the whole item the ingredient lists name corn syrups and invert sugar, dextrose, emulsifiers, flavourings, colours, preservatives, firming agents and protein and dairy fractions. None of these add nutritional value. They exist to make the item survive industrial production, storage and transport.

Subway US Spicy Italian 6 Inch Sub carries a large share of a child’s daily sodium

Subway US Spicy Italian 6 Inch Sub contains 1,660mg of sodium, which is 111% of the daily limit for a child aged 4 to 8. It is also high in saturated fat.

FDA Daily Values (2,000-calorie diet)

Calories2,000
Total fat78g
Saturated fat20g
Carbohydrate275g
Added sugars50g
Fibre28g
Sodium2,300mg
Protein50g

Added sugar vs total sugar

Where the sugar comes from: Subway US Spicy Italian 6 Inch Sub

3g of the 5g counts as added sugar, or about 0.7 teaspoons. The other 2g is naturally occurring.

Added sugars come from

  • sugar in the Artisan Italian bread
  • corn syrup, dextrose in the Pepperoni
  • sugar, corn syrup, dextrose in the Genoa salami
  • sugar in the mayonnaise

Naturally occurring sugars come from

  • lactose in the provolone cheese
  • sugars naturally present in the jalapeño slices
  • sugars naturally present in the tomatoes
  • sugars naturally present in the onions

Dietary Guidelines for Americans, 2025–2030: no more than 10g of added sugar per meal from age 11 and none for children aged 10 and under. FDA Daily Value: 50g a day. Added sugar is Subway’s published figure; sources are read from the published ingredient list for each component.

Ultra-processed food: what is really in it

Processing and additives: Subway US Spicy Italian 6 Inch Sub

Subway US Spicy Italian 6 Inch Sub is built from 9 components, combined and served at the point of sale. Reading the ingredient list closely, it contains corn syrups and invert sugar, dextrose, emulsifiers, flavourings, colours, preservatives, firming agents and protein and dairy fractions. These are not there to add nutritional value. They make industrial production and distribution possible.

Corn syrups and invert sugar

Sweeten and control texture more cheaply than sugar alone. Found in the Pepperoni and Genoa salami.

Dextrose

A simple sugar used for browning, bulk and mild sweetness. Found in the Pepperoni and Genoa salami.

Emulsifiers

Help oil-based and water-based ingredients blend and stay blended. Found in the Artisan Italian bread.

Flavourings

Add or restore taste lost during processing. Found in the Artisan Italian bread, Pepperoni, Genoa salami, jalapeño slices and mayonnaise.

Colours

Restore or standardise appearance after processing. Found in the Pepperoni.

Preservatives

Slow the growth of bacteria, yeasts and moulds in centrally prepared components, and keep cured meats pink. Found in the Pepperoni, Genoa salami, jalapeño slices and mayonnaise.

Firming agents

Keep processed vegetables firm after packing. Found in the jalapeño slices.

Protein and dairy fractions

Isolated proteins and dairy by-products used to add bulk, structure or a creamy texture. Found in the Artisan Italian bread.

Boone classifies Subway US Spicy Italian 6 Inch Sub as NOVA group 4, ultra-processed, based on the additives named above. NOVA groups foods by how far they are from their whole-food form, not by how nutritious they are. A group 4 food is not automatically unhealthy, and a group 1 food is not automatically healthy. Read from the published ingredient list, October 2026.

Subway US Spicy Italian 6 Inch Sub contains at least 47 distinct ingredients: 24 raw and 23 manufactured. Raw means something you could buy and cook with at home; manufactured means a substance that only exists as an output of industrial processing.

Ingredient count by order: Subway US Spicy Italian 6 Inch Sub

What you orderRawManufacturedTotal% manufactured
Subway US Spicy Italian 6 Inch Sub on its own24234749%
Subway US Spicy Italian 6 Inch Sub + a Chocolate Chip Cookie29316052%

The 23 manufactured ingredients

ascorbic acid, calcium chloride, calcium disodium edta, corn syrup, cultured wheat flour, dextrose, enzymes, flavorings, folic acid, mono- and diglycerides, natural flavor, natural flavors, niacin, oleoresin of paprika, reduced iron, riboflavin, sodium benzoate, sodium erythorbate, sodium metabisulfite, sodium nitrate, sodium nitrite, thiamine mononitrate, wheat gluten.

The 24 raw ingredients

beef, cultured pasteurized milk, distilled vinegar, eggs, garlic, iceberg lettuce, jalapeno peppers, lactic acid starter culture, lemon juice concentrate, malted barley flour, palm oil, paprika, pork, red onions, red roma tomatoes, salt, soybean oil, spice, spices, sugar, water, wheat flour, wine, yeast.

Boone counts every distinct named ingredient on Subway’s published component lists, including sub-ingredients, and removes duplicates, so salt appearing in four components counts once. Raw covers whole foods and basic kitchen staples such as flour, sugar, salt and oil. Manufactured covers substances that only exist as an output of industrial processing. Every figure here is a minimum.

Ingredients

Subway US Spicy Italian 6 Inch Sub is built from 9 components.

Ingredients by component: Subway US Spicy Italian 6 Inch Sub

Artisan Italian bread

Enriched Flour (Wheat Flour, Malted Barley Flour, Niacin, Reduced Iron, Thiamine Mononitrate, Riboflavin, Folic Acid), Water, Yeast, Sugar, Contains 2% or Less Of: Wheat Gluten, Wheat Sourdough Blend (Cultured Wheat Flour, Natural Flavor), Salt, Palm Oil, Cultured Wheat Flour, Mono- and Diglycerides, Ascorbic Acid, Enzymes.

Pepperoni

Pork, Beef, Salt, contains 2% or less of Water, Spices, Dextrose, Corn Syrup, Flavorings, Paprika, Oleoresin of Paprika, Sodium Erythorbate, Lactic Acid Starter Culture, Sodium Nitrite.

Genoa salami

Pork, Beef, Salt, contains 2% or less of Water, Corn Syrup, Dextrose, Sugar, Flavorings, Wine, Sodium Erythorbate, Sodium Nitrate, Spices, Garlic, Lactic Acid Starter Culture, Sodium Nitrite.

Provolone cheese

Cultured pasteurized milk, salt, enzymes.

Jalapeño slices

Jalapeno Peppers, Water, Distilled Vinegar, Salt, Natural Flavors, Sodium Benzoate (preservative), Calcium Chloride, Sodium Metabisulfite (preservative).

Lettuce

Iceberg lettuce.

Tomatoes

Red Roma tomatoes.

Onions

Red onions.

Mayonnaise

Soybean oil, eggs, water, distilled vinegar, contains less than 2% of salt, sugar, spice, lemon juice concentrate, calcium disodium EDTA added to protect flavor.

Ingredients taken from Subway’s US Product Ingredient Guide, October 2026. The component build follows Subway’s standard recipe for this item; Boone checked it against Subway’s published nutrition totals. Recipes change, so always check in restaurant before ordering if you have an allergy.

Allergens at a glance

Subway US Spicy Italian 6 Inch Sub contains milk, egg and wheat.

Allergen information: Subway US Spicy Italian 6 Inch Sub

AllergenStatus
MilkContains
EggsContains
FishNot declared
Crustacean shellfishNot declared
Tree nutsNot declared
PeanutsNot declared
WheatContains
SoybeansRefined oil only
SesameNot declared
Also declared under UK rules
Barley (cereal containing gluten)Present, UK rules
SulphitesPresent, UK rules

Contains = declared in Subway’s US allergy chart or ingredient guide. May contain = Subway states the allergen may be present, including cookies displayed beside nut-containing cookies. Refined oil only = the soy is highly refined soybean oil, which the FDA exempts from allergen labelling. Subway prepares food on shared equipment, so no item can be guaranteed allergen free. UK rules also require barley, oats, mustard, celery and sulphites to be declared; these are shown where the ingredient list names them. October 2026.

Frequently asked questions

How many calories are in a Subway US Spicy Italian 6 Inch Sub?+

Boone calculates that Subway US Spicy Italian 6 Inch Sub contains 660 calories, which is 33% of the 2,000-calorie Daily Value and 44% of the daily needs of a moderately active child aged 4 to 8.

How much added sugar is in a Subway US Spicy Italian 6 Inch Sub?+

Boone calculates that Subway US Spicy Italian 6 Inch Sub contains 3g of added sugar, about 0.7 teaspoons, which is 6% of the 50g FDA Daily Value.

Is Subway US Spicy Italian 6 Inch Sub within US sugar guidance for children?+

The Dietary Guidelines for Americans, 2025–2030 recommend no added sugar for children aged 10 and under and no more than 10g per meal from age 11. With 3g of added sugar, Subway US Spicy Italian 6 Inch Sub fits the per-meal limit for ages 11 and up but not the guidance for younger children.

How much saturated fat is in a Subway US Spicy Italian 6 Inch Sub?+

Subway US Spicy Italian 6 Inch Sub contains 15g of saturated fat. Boone calculates this as 75% of the 20g Daily Value and 88% of the 17g limit for a child aged 4 to 8.

How much sodium is in a Subway US Spicy Italian 6 Inch Sub?+

Subway US Spicy Italian 6 Inch Sub contains 1,660mg of sodium. Boone calculates that as 111% of the daily limit for a child aged 4 to 8 and 72% of the 2,300mg adult limit.

Is Subway US Spicy Italian 6 Inch Sub ultra-processed?+

Boone classifies Subway US Spicy Italian 6 Inch Sub as NOVA group 4. Reading the published ingredient list, it contains corn syrups and invert sugar, dextrose, emulsifiers, flavourings, colours, preservatives, firming agents and protein and dairy fractions. NOVA group 4 describes how far a food is from its whole-food form, not how nutritious it is.

How much fibre is in a Subway US Spicy Italian 6 Inch Sub?+

Subway US Spicy Italian 6 Inch Sub contains 3g of fibre. Boone calculates that as 11% of the 28g Daily Value and 14% of the 21g target for a child aged 4 to 8. Fibre is a target to reach rather than a limit to stay under.

How much protein is in a Subway US Spicy Italian 6 Inch Sub?+

Subway US Spicy Italian 6 Inch Sub contains 26g of protein, which Boone calculates as 52% of the 50g Daily Value.