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Last updated: Aug 9, 2026

Cousin's Subs

Tuna Sub

ClassicsPopular

Cousin's Subs Tuna Sub is fat-leaning, with about 52% of macro calories from fat. Each serving has 650 calories, 25g protein, 51g carbs, and 36g fat, making it a stronger fit for high-protein restaurant planning.

1 Serving (291g)

Serving Size

291 g

Serving Weight

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650

Calories

Per serving

25 g

Protein

51 g

Carbs

36 g

Fat

Nutrition Facts

Amount per serving

Calories650 kcal

% Daily Value*

Total Fat 36 g46%

Saturated Fat 5 g25%

Trans Fat 0.5 g—

Cholesterol 35 mg12%

Sodium 1,010 mg44%

Total Carbohydrate 51 g19%

Dietary Fiber 4 g14%

Total Sugars 3 g—

Protein 25 g50%

Vitamin A—

Vitamin C—

Vitamin D—

Calcium—

Iron—

Potassium—

Caffeine—

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.

Nutrition Breakdown

650

kcal

Protein25 g (16%)

Carbs51 g (32%)

Fat36 g (52%)

Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density3.8/10

16% of macro calories come from protein.

Satiety index10/10

Estimated from protein, fiber, calories, and fat balance.

Activity estimate163 min walk

About 65 minutes of running for these calories.

Key Nutrients

Protein 25 g50%

Fiber 4 g14%

Sodium 1,010 mg44%

Sugars 3 g—

Saturated Fat 5 g25%

How we calculate these values

Diet Compatibility

High protein3.8/10 protein density from 25g protein and 650 calories.No

Lower carb51g carbs per serving.No

Low fat36g total fat per serving.No

High sugar3g total sugars per serving.No

High sodium1,010mg sodium per serving.Yes

Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

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BLT Sub660 kcal · 25 g protein

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Quick comparisons

Tuna Sub has 10 fewer calories than BLT Sub and the same amount of protein. Compare

Tuna Sub has 450 more calories than BLT Sub in a Bowl and 8g more protein. Compare

BLT Sub660 kcal · 25 g proteinBLT Sub in a Bowl200 kcal · 17 g proteinBottle, Milk Chug Vitamin A & D 2% Milk220 kcal · 14 g proteinBottle, Sprecher Root Beer240 kcal · 0 g proteinBottle, Thrister Orange Juice140 kcal · 0 g proteinBottle, Trumoo/Garelick Farms 1% Chocolate Milk240 kcal · 14 g protein

Compare with BLT Sub

Tuna Sub Compared With Nearby Items

Compared with BLT Sub, another Classics item at Cousin's Subs, Tuna Sub has 10 fewer calories than it and the same protein as it. That makes this page useful for deciding between nearby menu choices, not just reading a raw nutrition label.

Data Source and Methodology

Nutrition values for Tuna Sub are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 9, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

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