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Last updated: Aug 12, 2026

Thundercloud Subs

Texas Tuna, Large

Signature SubsPopular

Thundercloud Subs Texas Tuna, Large is fat-leaning, with about 60% of macro calories from fat. Each serving has 788 calories, 27g protein, 48g carbs, and 51g fat, making it worth balancing with lower-fat items in the same meal.

1 serving

Serving Size

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788

Calories

Per serving

27 g

Protein

48 g

Carbs

51 g

Fat

Nutrition Facts

Amount per serving

Calories788 kcal

% Daily Value*

Total Fat 51 g65%

Saturated Fat 11 g55%

Trans Fat 0 g—

Cholesterol 73 mg24%

Sodium 1,108 mg48%

Total Carbohydrate 48 g17%

Dietary Fiber 4 g14%

Total Sugars 0 g—

Protein 27 g54%

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

788

kcal

Protein27 g (14%)

Carbs48 g (25%)

Fat51 g (60%)

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

Meal Planning Insights

Protein density3.4/10

14% of macro calories come from protein.

Satiety index10/10

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

Activity estimate197 min walk

About 79 minutes of running for these calories.

Key Nutrients

Protein 27 g54%

Fiber 4 g14%

Sodium 1,108 mg48%

Sugars 0 g—

Saturated Fat 11 g55%

How we calculate these values

Diet Compatibility

High protein3.4/10 protein density from 27g protein and 788 calories.No

Lower carb48g carbs per serving.No

Low fat51g total fat per serving.No

High sugar0g total sugars per serving.No

High sodium1,108mg sodium per serving.Yes

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

Similar Items in Signature Subs

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Austin Club, Large662 kcal · 33 g protein Austin Club, Small487 kcal · 27 g protein Big Paul, Large731 kcal · 6 g protein Big Paul, Small533 kcal · 42 g protein

Compare with other items

Select up to 3 items to compare calories, protein, sodium, and macros.

Quick comparisons

Texas Tuna, Large has 743 more calories than American Cheese and 25g more protein. Compare

Texas Tuna, Large has 350 more calories than American Classic, Large and 7g more protein. Compare

American Cheese45 kcal · 2 g proteinAmerican Classic, Large438 kcal · 20 g proteinAmerican Classic, Small307 kcal · 13 g proteinAustin Club Salad (with Egg & Cheese)462 kcal · 30 g proteinAustin Club, Large662 kcal · 33 g proteinAustin Club, Small487 kcal · 27 g protein

Compare with American Cheese

Texas Tuna, Large Compared With Nearby Items

Compared with Big Paul, Large, another Signature Subs item at Thundercloud Subs, Texas Tuna, Large has 57 more calories than it and 21g more protein than 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 Texas Tuna, Large are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 12, 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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