Official McDonald's product imagery. Source
Diet Coke® Price
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Diet Coke fixes everything. That’s why it’s a staple. Wondering why it tastes so good at McDonald’s? The Coke® products are fresh, and the guidelines set by Coca-Cola® are always followed by using a ratio of syrup that allows ice to melt—plus the water and Coca-Cola® syrup are pre-chilled before they enter the soda fountain. Diet Coke® has zero calories and is available in extra small, small, medium and large fountain drink sizes. Order yours today from the full menu in the app for pickup or McDelivery®.*
Price History
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Nutrition
| Calories | 0 |
|---|---|
| Total Fat | 0.00g |
| Saturated Fat | 0.00g |
| Trans Fat | 0.00g |
| Cholesterol | 0.00mg |
| Sodium | 50.00mg |
| Total Carbohydrates | 0.00g |
| Dietary Fiber | 0.00g |
| Sugars | 0.00g |
| Protein | 0.00g |
Ingredients
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..
Nutrition data sourced directly from McDonald's official published nutrition information, last checked Aug 9, 2026.
