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Last updated: Aug 9, 2026

Port of Subs

Mtn Dew Baja Blast - 21 fl oz

Beverages - Fountain 21 fl ozPopular

Port of Subs Mtn Dew Baja Blast - 21 fl oz is carb-leaning, with about 100% of macro calories from carb. Each serving has 296 calories, 0g protein, 77.3g carbs, and 0g fat, making it a lighter restaurant option to compare with larger meals.

21 Fl oz

Serving Size

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296

Calories

Per serving

0 g

Protein

77.3 g

Carbs

0 g

Fat

Nutrition Facts

Amount per serving

Calories296 kcal

% Daily Value*

Total Fat 0 g0%

Saturated Fat 0 g0%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 86 mg4%

Total Carbohydrate 77.3 g28%

Dietary Fiber 0 g0%

Total Sugars 77.3 g—

Protein 0 g0%

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

296

kcal

Protein0 g (0%)

Carbs77.3 g (100%)

Fat0 g (0%)

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

Meal Planning Insights

Protein density0/10

0% of macro calories come from protein.

Satiety index1.4/10

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

Activity estimate74 min walk

About 30 minutes of running for these calories.

Key Nutrients

Protein 0 g0%

Fiber 0 g0%

Sodium 86 mg4%

Sugars 77.3 g—

Saturated Fat 0 g0%

How we calculate these values

Diet Compatibility

High protein0/10 protein density from 0g protein and 296 calories.No

Lower carb77.3g carbs per serving.No

Low fat0g total fat per serving.Yes

High sugar77.3g total sugars per serving.Yes

High sodium86mg sodium per serving.No

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

Similar Items in Beverages - Fountain 21 fl oz

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A&W Root Beer - 21 fl oz305 kcal · 0 g protein

Compare with other items

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

Quick comparisons

Mtn Dew Baja Blast - 21 fl oz has 3903 fewer calories than 2-Foot Brookie in a Box and 33.2g less protein. Compare

Mtn Dew Baja Blast - 21 fl oz has 2903 fewer calories than 2-Foot Brownie in a Box and 23.2g less protein. Compare

2-Foot Brookie in a Box4,199 kcal · 33.2 g protein2-Foot Brownie in a Box3,199 kcal · 23.2 g protein2-Foot Classic Sub Macaroni Salad Center3,815 kcal · 163.6 g protein2-Foot Classic Sub Potato Salad Center3,248 kcal · 158 g protein2-Foot Cookie in a Box3,000 kcal · 30 g protein4x4 Brookie954 kcal · 7.4 g protein

Compare with 2-Foot Brookie in a Box

Mtn Dew Baja Blast - 21 fl oz Compared With Nearby Items

Compared with A&W Root Beer - 21 fl oz, another Beverages - Fountain 21 fl oz item at Port of Subs, Mtn Dew Baja Blast - 21 fl oz 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 Mtn Dew Baja Blast - 21 fl oz 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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