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Last updated: Aug 12, 2026

Thundercloud Subs

Texas Tuna, Small

Signature SubsPopular

Thundercloud Subs Texas Tuna, Small is fat-leaning, with about 61% of macro calories from fat. Each serving has 676 calories, 25g protein, 39g carbs, and 44g fat, making it a stronger fit for high-protein restaurant planning.

1 serving

Serving Size

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676

Calories

Per serving

25 g

Protein

39 g

Carbs

44 g

Fat

Nutrition Facts

Amount per serving

Calories676 kcal

% Daily Value*

Total Fat 44 g56%

Saturated Fat 10 g50%

Trans Fat 0 g—

Cholesterol 69 mg23%

Sodium 973 mg42%

Total Carbohydrate 39 g14%

Dietary Fiber 3 g11%

Total Sugars 0 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

676

kcal

Protein25 g (15%)

Carbs39 g (24%)

Fat44 g (61%)

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

Meal Planning Insights

Protein density3.7/10

15% of macro calories come from protein.

Satiety index10/10

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

Activity estimate169 min walk

About 68 minutes of running for these calories.

Key Nutrients

Protein 25 g50%

Fiber 3 g11%

Sodium 973 mg42%

Sugars 0 g—

Saturated Fat 10 g50%

How we calculate these values

Diet Compatibility

High protein3.7/10 protein density from 25g protein and 676 calories.No

Lower carb39g carbs per serving.No

Low fat44g total fat per serving.No

High sugar0g total sugars per serving.No

High sodium973mg sodium per serving.Yes

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

Similar Items in Signature Subs

View all

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, Small has 631 more calories than American Cheese and 23g more protein. Compare

Texas Tuna, Small has 238 more calories than American Classic, Large and 5g 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, Small Compared With Nearby Items

Compared with Austin Club, Large, another Signature Subs item at Thundercloud Subs, Texas Tuna, Small has 14 more calories than it and 8g less 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, Small 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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