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Marco's Pizza

6-Inch Italiano Sub

6-Inch Italiano Sub at Marco's Pizza has 638 calories, 32g protein, 35g carbs and 35g fat — sourced from FastFoodNutrition.org (Marco's Pizza nutrition data, cross-checked against Nutritionix and Eat This Much; marcos.com links its official nutrition portal to Nutritionix, which was paywalled for direct fetch), not AI guesses. 6-inch sub, salami, pepperoni, ham, cheese.

6-Inch Italiano Sub
638calories
32gprotein
35gcarbs
35gfat
High protein Contains dairy, gluten, pork
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At Marco's Pizza, the 6-Inch Italiano Sub is a solid high-protein order. That works out to 5g of protein per 100 calories — 2g above the 30g Marco's Pizza average. Its macros land at roughly 20% of calories from protein, 22% from carbs and 49% from fat. Contains dairy, gluten, pork.

Source: FastFoodNutrition.org (Marco's Pizza nutrition data, cross-checked against Nutritionix and Eat This Much; marcos.com links its official nutrition portal to Nutritionix, which was paywalled for direct fetch) ↗, last verified Jul 2, 2026. Menus change periodically; values may vary by location. How we verify →

See all 16 Marco's Pizza meals →  ·  Highest-protein Marco's Pizza meals →

More from Marco's Pizza

Hot Chicken Wings (10-Piece) · 50g protein All Meat Pizza (2 Slices) · 44g protein Hawaiian Chicken Pizza (2 Slices) · 42g protein The Works Pizza (2 Slices) · 36g protein Buffalo Chicken Pizza Bowl (Half) · 33g protein The Works Pizza Slice + Cheese Pizza Slice · 32g protein

6-Inch Italiano Sub — common questions

How much protein is in the 6-Inch Italiano Sub at Marco's Pizza?
The 6-Inch Italiano Sub has 32g of protein. It also has 638 calories, 35g carbs and 35g fat, per FastFoodNutrition.org (Marco's Pizza nutrition data, cross-checked against Nutritionix and Eat This Much; marcos.com links its official nutrition portal to Nutritionix, which was paywalled for direct fetch).
How many calories are in the 6-Inch Italiano Sub?
The 6-Inch Italiano Sub at Marco's Pizza has 638 calories, according to FastFoodNutrition.org (Marco's Pizza nutrition data, cross-checked against Nutritionix and Eat This Much; marcos.com links its official nutrition portal to Nutritionix, which was paywalled for direct fetch).
Is the 6-Inch Italiano Sub high in protein?
Yes — at 32g of protein it clears the 30g high-protein bar.
Does the 6-Inch Italiano Sub contain allergens?
Per FastFoodNutrition.org (Marco's Pizza nutrition data, cross-checked against Nutritionix and Eat This Much; marcos.com links its official nutrition portal to Nutritionix, which was paywalled for direct fetch), the 6-Inch Italiano Sub contains dairy, gluten, pork. Preparation and cross-contact vary by location — check with the restaurant if you have an allergy.
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