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Taco Bell Diet Dr Pepper: nutrition and allergens

Taco Bell lists the Diet Dr Pepper in 3 sizes, all at 0 calories. Taco Bell gives the same values for every size, so they describe one serving, not the whole order. The 16 fl oz has 0 g fat, 0 g carbohydrate, 0 g protein and 95 mg sodium.

Values converted by script from official files; text drafted with AI assistance From Taco Bell’s nutrition information Last checked How pages are made
Diet Dr Pepper from Taco Bell
Image: Taco Bell

Nutrition facts

Diet Dr Pepper nutrition facts by size
Per serving16 fl oz20 fl oz30 fl oz
Calories 000
Total fat (g) 0 0%0 0%0 0%
Saturated fat (g) 0 0%0 0%0 0%
Trans fat (g) 000
Cholesterol (mg) 0 0%0 0%0 0%
Sodium (mg) 95 4%120 5%180 8%
Total carbohydrate (g) 0 0%0 0%<1
Dietary fiber (g) 0 0%0 0%0 0%
Total sugars (g) 000
Added sugars (g) 0 0%0 0%0 0%
Protein (g) 0 0%0 0%0 0%

Percentages are the share of the FDA Daily Value for adults and children 4 and over, worked out from Taco Bell’s published amounts (how % Daily Value works). A dash means Taco Bell does not publish that value for this size.

Using the FDA’s rule of thumb that 5% of the Daily Value or less per serving is low and 20% or more is high, the 16 fl oz size is low in sodium, fat, saturated fat, cholesterol, carbohydrate, dietary fiber, added sugars and protein. Add it up with other items in the Taco Bell nutrition calculator.

Values do not account for ice.

Allergens

Taco Bell’s allergen information lists none of the allergens it reports for the Diet Dr Pepper.

Allergens reported by Taco Bell for the Diet Dr Pepper
MilkNot listed
EggNot listed
FishNot listed
Crustacean shellfishNot listed
Tree nutsNot listed
PeanutsNot listed
WheatNot listed
SoyNot listed
SesameNot listed
GlutenNot listed

Taco Bell says its kitchens handle egg, milk, soy, wheat and other allergens on shared equipment and in shared areas, so it cannot rule out cross-contact. Its allergen information reflects standard recipes as of the last update. Peanuts, tree nuts, fish and shellfish are not used in regular menu items, but those items may be made in facilities that also handle them, and test or limited-time items may contain them. Soybean oil is not flagged as a soy allergen. Taco Bell makes no gluten-free claims: some items are made without gluten ingredients but are prepared in shared kitchen areas and shared fryer oil, and it does not recommend its food for people with celiac disease. Its AVA-certified vegetarian items are lacto-ovo vegetarian, but they may share frying oil and handling with meat.

Filter the whole Taco Bell menu by allergen

Ingredients

Carbonated water, caramel color, aspartame, phosphoric acid, natural and artificial flavors, sodium benzoate (P), caffeine.

Other items in Fountain Beverages at Taco Bell

By calories (16 fl oz), the Diet Dr Pepper ranks 1 of 18 in Taco Bell’s Fountain Beverages section, from lowest to highest. The table shows the 9 items nearest to it; each item is compared at its first listed size.

Nearby items in Fountain Beverages at Taco Bell by calories
ItemCalories
Diet Dr Pepper16 fl oz 0
Diet Pepsi16 fl oz 0
Lipton Unsweetened Iced Tea16 fl oz 0
Mtn Dew Zero Sugar16 fl oz 0
Pepsi Zero Sugar16 fl oz 0
Mtn Dew Baja Blast Zero Sugar16 fl oz 5
G2 - Fruit Punch16 fl oz 45
Brisk Dragon Paradise Sparkling Iced Tea16 fl oz 60
Tropicana Original Lemonade16 oz 70

Nutrition for all 18 items in Fountain Beverages at Taco Bell

Browse the Taco Bell menu by goal: high-protein items · low-calorie items · vegetarian items

Sources

  1. 1
    Taco Bell, Taco Bell Full Nutrition Information (served by Nutritionix, linked from tacobell.com) Covers nutrition, menu and diet · Last Updated 10/07/2026 · Checked 8 Oct 2026
  2. 2
  3. 3
  4. 4
    Taco Bell, Taco Bell online menu and product pages Covers diet and menu · Checked 8 Oct 2026
  5. 5
    Taco Bell, Taco Bell Full Nutrition Info page Covers menu · Internet Archive copy, September 2026 · Checked 8 Oct 2026

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