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Tuna Melt at a glance

Glycemic index (est.)
52
low
Glycemic load / serving
17
medium
Nutri-Score
B
A best, E worst
NOVA group
1
unprocessed or minimally processed

American cuisine · Non-Vegetarian. Serving: 1 sandwich.

Tuna Melt nutrition per serving

NutrientPer serving
Calories450 kcal
Protein25 g
Carbohydrate35 g
Fiber2 g
Sugars3 g
Added sugars0 g
Fat25 g
Saturated fat10 g
Sodium800 mg

Typical ingredients: Tuna, mayonnaise, cheese, bread, butter, onion, salt, pepper

Similar American dishes with a lower glycemic load

DishGL / servingkcal / serving
Cornbread16180
Hot Dog16300
Mac And Cheese16300
Macaroni And Cheese16300
Macaroni Salad16350

Common questions about tuna melt

How many calories are in tuna melt?

NutriOptio estimates 450 calories in one serving (1 sandwich) of a typical tuna melt recipe. Your recipe and portion will change this.

Is tuna melt good for blood sugar?

A serving has an estimated glycemic load of 17, which is medium (10 or under is low, 20 or over is high). Portion size and what you eat it with matter. This is general information, not medical advice.

What is the Nutri-Score of tuna melt?

NutriOptio grades a typical tuna melt B on Nutri-Score, where A is the best and E the lowest nutritional quality.

Log your own tuna melt

Your recipe is not the typical one. Photograph your plate or describe it, and NutriOptio grades your actual portion for glycemic load, Nutri-Score and processing.

Open the NutriOptio web app

How these numbers are made

These are the values the NutriOptio app gave for a typical tuna melt in October 2026. They are AI estimates and can change as the app is updated; search the dish in the app for its current estimate. Calories and nutrients are NutriOptio's AI estimate for a typical recipe and portion. The glycemic index is NutriOptio's reference value for this dish, estimated from its carbohydrate ingredients; glycemic load is computed from it and the serving's carbohydrate. Home and restaurant versions vary, sometimes a lot. General information, not medical advice.