Flake:

Flake: by Cadbury has 519 kcal per 100 g. One serving (100 g) is about 519 kcal.

Flake: contains 8.1 g of protein per 100 g — about 8.1 g per 100 g serving.

Yes — 55.5 g of sugar per 100 g, roughly 14 teaspoons. Sugar makes up 91% of its carbohydrates.

It has 19 g of saturated fat per 100 g — 95% of the daily value, which counts as high.

Yes — just 43.6 mg per 100 g (2% 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 (519 kcal), sugar (55.5 g), saturated fat (19 g); points in favor come from protein (8.1 g). Overall that places it in band E.

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

Yes — 519 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 260 kcal.