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Last updated: Aug 9, 2026

Potbelly

Diet Dr. Pepper

Beverages - 20 fl oz FountainPopular

Potbelly Diet Dr. Pepper is carb-leaning, with about 75% of macro calories from carb. Each serving has 2 calories, 0.1g protein, 0.4g carbs, and 0g fat, making it a lighter restaurant option to compare with larger meals.

20 Fl Oz

Serving Size

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Calories

Per serving

0.1 g

Protein

0.4 g

Carbs

0 g

Fat

Nutrition Facts

Amount per serving

Calories2 kcal

% Daily Value*

Total Fat 0 g0%

Saturated Fat 0 g0%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 120 mg5%

Total Carbohydrate 0.4 g0%

Dietary Fiber 0 g0%

Total Sugars 0 g—

Protein 0.1 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

kcal

Protein0.1 g (25%)

Carbs0.4 g (75%)

Fat0 g (0%)

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

Meal Planning Insights

Protein density7/10

25% of macro calories come from protein.

Satiety index3.1/10

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

Activity estimate1 min walk

About 1 minutes of running for this calorie total.

Key Nutrients

Protein 0.1 g0%

Fiber 0 g0%

Sodium 120 mg5%

Sugars 0 g—

Saturated Fat 0 g0%

How we calculate these values

Diet Compatibility

High protein7/10 protein density from 0.1g protein and 2 calories.Yes

Lower carb0.4g carbs per serving.Yes

Low fat0g total fat per serving.Yes

High sugar0g total sugars per serving.No

High sodium120mg sodium per serving.No

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

Compare with other items

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

Quick comparisons

Diet Dr. Pepper has 238 fewer calories than A Wreck, Catering Portion and 14.9g less protein. Compare

Diet Dr. Pepper has 648 fewer calories than A Wreck, Individual Lunch Box and 41.9g less protein. Compare

A Wreck, Catering Portion240 kcal · 15 g proteinA Wreck, Individual Lunch Box650 kcal · 42 g proteinA Wreck® Salad367 kcal · 30.4 g proteinA Wreck® Salad, Half249 kcal · 20.8 g proteinA Wreck® Wrap566 kcal · 49.5 g proteinA Wreck®, BIGS929 kcal · 58.9 g protein

Compare with A Wreck, Catering Portion

Diet Dr. Pepper Compared With Nearby Items

Potbelly Diet Dr. Pepper is listed in the Beverages - 20 fl oz Fountain category with 2 calories, 0.1g protein, 0.4g carbs, and 0g fat per serving.

Data Source and Methodology

Nutrition values for Diet Dr. Pepper 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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