Double Chocolate

Double Chocolate by KitKat has 531 kcal per 100 g. One serving (33 g) is about 175 kcal.

Double Chocolate contains 5.7 g of protein per 100 g — about 1.9 g per 33 g serving.

Yes — 46.6 g of sugar per 100 g, roughly 12 teaspoons. Sugar makes up 82% of its carbohydrates.

Yes — just 55 mg per 100 g (2% of the daily value), which qualifies as low sodium.

It provides 3.2 g of fiber per 100 g — 11% of the daily value.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (531 kcal), sugar (46.6 g); points in favor come from fiber (3.2 g). Overall that places it in band C.

About 19 g of Double Chocolate equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 531 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 266 kcal.