Frosties

Frosties by Kellogg's has 379 kcal per 100 g. One serving (33 g) is about 125 kcal.

Frosties contains 5.2 g of protein per 100 g — about 1.7 g per 33 g serving.

Yes — carbohydrates provide 91% of its calories (87.9 g per 100 g, of which 18.5 g is sugar). It also delivers 2.1 g of fiber.

Yes — 18.5 g of sugar per 100 g, roughly 5 teaspoons. Sugar makes up 21% of its carbohydrates.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (379 kcal), sugar (18.5 g). Overall that places it in band C.

About 26 g of Frosties equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 379 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 190 kcal.

It is a good source: 12.7 mg per 100 g, about 71% of the daily value. A 200 g portion covers roughly 142%.