| Size | Price Range | Calories |
|---|---|---|
| Small | ~$1.29 – $1.49 | 0 Cal |
| Medium | ~$1.49 – $1.79 | 0 Cal |
| Large | ~$1.79 – $2.19 | 0 Cal |
View Full – Mcdonald’s Menu With Price
McDonald’s Diet Coke® is a sugar-free, calorie-free, and fat-free carbonated soft drink that offers the signature crisp taste of Coca-Cola without added sugar. Known for its refreshing flavor, McDonald’s serves it using a specialized delivery system with stainless steel tanks instead of plastic bags, helping maintain freshness and a consistently bold carbonation.
Ingredients
- Carbonated Water
- Caramel Color
- Phosphoric Acid
- Sodium Saccharin
- Potassium Benzoate (To protect taste)
- Natural Flavors
- Citric Acid
- Caffeine
- Aspartame (Contains Phenylalanine)
Nutrition
(Based on a Medium 21 fl. oz. serving)
| Nutrient | Amount | % Daily Value |
| Total Fat | 0g | 0% |
| Sodium | 40mg | 2% |
| Total Carbs | 0g | 0% |
| Sugars | 0g | 0% |
| Protein | 0g | 0% |
Allergens
- Contains: None of the major 8 allergens (Milk, Eggs, Fish, Shellfish, Tree Nuts, Peanuts, Wheat, Soy).
- Notice: Contains Phenylalanine, which is important for individuals with PKU (Phenylketonuria).
FAQs
Why does McDonald’s Diet Coke taste better than the bottled version?
McDonald’s follows a strict preparation process that includes filtered water, separately chilled syrup and water for better carbonation, and wider straws designed to enhance flavor delivery with every sip.
Does McDonald’s Diet Coke contain caffeine?
Yes. A medium Diet Coke typically contains about 46 mg of caffeine.
Is there any sugar in Diet Coke?
No. Diet Coke is sweetened with artificial sweeteners such as aspartame and acesulfame potassium, providing sweetness without added sugar or calories.
Is the cup BPA-free?
Yes. McDonald’s cups are produced to meet modern food safety standards and are designed to be BPA-free.
Is Diet Coke vegan and gluten-free?
Yes. Diet Coke does not contain animal-derived ingredients or gluten, making it suitable for both vegan and gluten-free diets.