The great refreshing taste of Diet Coke with no sugar and no calories. Add some sparkle to your day without the sugar or calories, with a crisp, refreshing Diet Coke! Diet Coke is a sugar free, low calorie soft drink. - No Sugar - No Calories - Contains plant extracts and sweeteners - Contains a source of Phenylalanine Serve over ice with a slice of lime. Contains 24 individual 330ml cans. Keep cold in the fridge. Please recycle. . No sugar or calories. This product is allergen free. This product is gluten free. This product is GMO free. This product is suitable for vegetarians/vegans. Diet Coke.