Burger King Drinks and Coffee Menu 2026 - Burger King Diet Coke

Burger King Diet Coke

Burger King Diet Coke is a carbonated fountain drink with a light and distinctive cola flavor.
It contains no sugar and provides virtually no calories in a standard restaurant serving.
The beverage is sweetened with aspartame instead of high-fructose corn syrup or sugar.
It can be ordered separately or selected as the drink included with an eligible Burger King meal.

Price

Prices vary according to the restaurant, city, taxes and ordering platform.

Menu OptionEstimated Price
Value Diet Coke$1.99
Small Diet Coke$2.59
Medium Diet Coke$2.89
Large Diet Coke$2.99

Ingredients

ComponentMain Ingredient or Purpose
Carbonated WaterProvides the liquid base and carbonation
Caramel ColorGives the beverage its dark cola appearance
AspartameProvides sweetness without sugar
Phosphoric AcidAdds acidity and a sharp cola taste
Potassium BenzoateHelps protect the beverage’s flavor
Natural FlavorsCreate the distinctive Diet Coke taste
Citric AcidAdds acidity and balances the flavor
CaffeineProvides a mild stimulant effect
IceAdded by the restaurant when the fountain drink is served

Allergen Information

AllergenInformation
MilkNot listed in the official ingredient statement
EggNot listed in the official ingredient statement
WheatNot listed in the official ingredient statement
SoyNot listed in the official ingredient statement
PeanutsNot listed in the official ingredient statement
Tree NutsNot listed in the official ingredient statement
SesameNot listed in the official ingredient statement
AspartamePresent
PhenylalaninePresent because the drink contains aspartame
CaffeinePresent
Shared Fountain EquipmentRestaurant cross-contact cannot be completely ruled out

Customers with phenylketonuria should avoid products containing phenylalanine. Customers with serious food allergies should also review Burger King’s latest Nutrition Explorer before ordering.

Nutrition Facts

SizeCaloriesFatCarbsProteinSodium
Value0 kcal0 g0 g0 g45 mg
Small0 kcal0 g0 g0 g55 mg
Medium0 kcal0 g0 g0 g85 mg
Large0 kcal0 g1 g0 g110 mg

Why You Should Try Burger King Diet Coke

Burger King Diet Coke is a suitable option for customers who enjoy carbonated cola but do not want the sugar and calories found in regular Coca-Cola. Its lighter cola taste and crisp carbonation can provide a refreshing contrast to flame-grilled burgers, fried chicken, French Fries and Onion rings.

A standard reference serving contains no sugar, carbohydrates or fat. However, the drink contains caffeine, aspartame and phenylalanine.

Diet Coke can be purchased separately or selected as the fountain beverage included with an eligible Burger King meal. Current U.S. delivery menus continue to list it as a drink option.

How to Order from the Official Burger King U.S. Website

Visit the official website

Select or enter your nearest Burger King location to view local availability and pricing. Choose pickup or delivery, add the burger to your order and select any available customizations. You can then review the order and complete payment through the Burger King website or BK® App.

Tips for Enjoying Burger King Diet Coke

1: Drink it soon after receiving it to preserve the carbonation.
2: Keep the cup upright to prevent spills.
3: Request light ice when you prefer more beverage in the cup.
4: Request extra ice when you want the drink to remain cold longer.
5: Pair it with a Whopper, cheeseburger, Chicken Fries or French fries.
6: Remember that the standard version contains caffeine.
7: Choose a smaller size when limiting caffeine or sodium.
8: Check that the lid is secure before transporting a pickup or delivery order.

FAQs

Burger King Diet Coke contains approximately zero calories, although some older fountain-beverage listings may show one or two calories because of rounding or fountain preparation. The official Diet Coke label lists zero calories per 12-fluid-ounce serving.

The current U.S. formula contains carbonated water, caramel color, aspartame, phosphoric acid, potassium benzoate, natural flavors, citric acid and caffeine.

Both beverages are sugar-free and calorie-free, but their flavors are different. Coca-Cola states that Zero Sugar is designed to taste more like original Coca-Cola, while Diet Coke has its own lighter and distinct taste.

Conclusion

Burger King Diet Coke offers a light and fizzy cola flavor without sugar or calories.
A 12-fluid-ounce reference serving contains zero carbohydrates, zero sugar and 46 milligrams of caffeine.
It can be purchased separately or selected as the beverage included with an eligible Burger King meal.
Check Burger King’s official website or mobile app for current sizes, prices and local availability.

Disclaimer: This website provides general menu, ingredient, price, allergen and nutrition information. It is not affiliated with, sponsored by or endorsed by Burger King Company LLC or The Coca-Cola Company. Burger King®, Diet Coke® and related product names are trademarks belonging to their respective owners. Ingredients, serving sizes, prices, nutrition and availability may change.

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