Diet Coke 24 × 500ml is made with carbonated water, colour (Caramel E150d), phosphoric acid, sweeteners (Aspartame, Acesulfame K), caffeine, acidity regulator (Sodium Citrate), and preservatives (Potassium Sorbate). These ingredients come together to provide a crisp, refreshing taste with no sugar, making it a calorie-conscious option for those who still want the full cola experience.

Diet Coke 24 × 500ml contains no major allergens such as milk, eggs, soy, nuts, or gluten. It does contain a source of phenylalanine due to the use of aspartame, which is important for individuals with phenylketonuria (PKU). Always check the product label for the most up-to-date allergen and ingredient information.