Kitkat

Kitkat by Nestlé has 511 kcal per 100 g. One serving (45 g) is about 230 kcal.

Kitkat contains 6.7 g of protein per 100 g — about 3 g per 45 g serving.

Yes — 51.1 g of sugar per 100 g, roughly 13 teaspoons. Sugar makes up 79% of its carbohydrates.

It has 15.6 g of saturated fat per 100 g — 78% of the daily value, which counts as high.

Yes — just 77.8 mg per 100 g (3% of the daily value), which qualifies as low sodium.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (511 kcal), sugar (51.1 g), saturated fat (15.6 g). Overall that places it in band E.

About 20 g of Kitkat equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 511 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 256 kcal.