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Diet Coke
Diet Coke by Coke provides 0 kcal per 100 ml, with 0 g of sugars and 0 g of protein. That is 100% less sugar than the average product in this category. Its Nutri-Score is C and it is classified as NOVA 4 (ultra-processed food). It is listed in the Carbonated drinks category and comes in a 500ml pack.
Nutrient levels per 100 ml
Levels use UK front-of-pack reference thresholds for drinks.
Nutrition facts
Serving size: 250ml
| Nutrient | Per 100 ml | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 0 kcal | 1 kcal | 26 −98% | |
| Total fat | 0 g | 0 g | 0% | 0.3 −100% |
| Saturated fat | 0 g | 0 g | 0% | 0.1 −100% |
| Carbohydrates | 0 g | 0 g | 0% | 5.8 −100% |
| Total sugars | 0 g | 0 g | 5.1 −100% | |
| Added sugars | 0 g | 0 g | 0% | 5.9 −100% |
| Dietary fiber | 0 g | 0 g | 0% | 0.1 −100% |
| Protein | 0 g | 0 g | 0% | 0.3 −100% |
| Salt | 0 g | 0 g | 0.1 −100% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 329 Carbonated drinks products on Foodmetria.
Compared with other carbonated drinks
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
Carbonated Water, Colour Caramel E150d). Sweeteners Aspartame, Acesulfame K), Natural Flavourings, Caffeine Flavouring, Acids (Phosphoric Acid, Citric Acid). Contains a Source of Phenylalanine. Best before: See side of cap or bottle neck 50 NU Pe En Car of Sal Fat "THE BOTTLE, NOT LABEL AND CAR (0 ©2 Coca-Cola HBC Northern Ireland
Additives 5
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Quantity
- 500ml
- Serving size
- 250ml
- Labels & certifications
- VegetarianVeganContains a source of phenylalanine
- Sold in
- Ireland
- Barcode
- 5000112633719
Prices reported by shoppers
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Frequently asked questions
How many calories are in Diet Coke?
Diet Coke contains 0 kcal per 100 ml and about 1 kcal per serving (250ml).
How much sugar is in Diet Coke?
Diet Coke has 0 g of sugars per 100 ml, which is considered low by UK front-of-pack guidelines.
Is Diet Coke healthy?
It has a Nutri-Score of C (A is best, E is worst); it is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
Is Diet Coke vegan?
Based on its ingredient list, it appears to be vegan. Always check the package label.
Source: Open Food Facts (ODbL). Last updated September 12, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
Reviews
Compare & rankings
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