Diet Coke®
McDonald's · United States
Updated September 22, 2026
Oils & additives
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Additives (3)
Nutrition
| Nutrient | Amount |
|---|---|
| Calories | 0 |
| Total fat | 0 g |
| Saturated fat | 0 g |
| Trans fat | 0 g |
| Cholesterol | 0 mg |
| Sodium | 50 mg |
| Carbohydrate | 0 g |
| Total sugars | 0 g |
| Added sugars | 0 g |
| Protein | 0 g |
| Vitamin D | 0 mcg |
| Calcium | 2 mg |
| Iron | 0 mg |
| Potassium | 45 mg |
Allergens
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Ingredients
Diet Coke Ingredients: Carbonated Water, Caramel Color, Phosphoric Acid, Sodium Saccharin, Potassium Benzoate (to Protect Taste), Natural Flavors, Citric Acid, Caffeine, Potassium Citrate, Aspartame Ice Ingredients: Ice.
Sources
McDonald's nutrition & ingredient sourceUpdated September 22, 2026. Recipes and availability may vary by location.
Menu category: Drinks