Cheerios

Cheerios by Nestlé has 356 kcal per 100 g. One serving (30 g) is about 107 kcal.

Cheerios contains 8.5 g of protein per 100 g — about 2.6 g per 30 g serving.

Yes — carbohydrates provide 83% of its calories (74.5 g per 100 g, of which 24.1 g is sugar). It also delivers 7.9 g of fiber.

Yes — 24.1 g of sugar per 100 g, roughly 6 teaspoons. Sugar makes up 32% of its carbohydrates.

It provides 7.9 g of fiber per 100 g — 28% of the daily value, making it a high-fiber food.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (356 kcal), sugar (24.1 g), sodium (404 mg); points in favor come from fiber (7.9 g), protein (8.5 g). Overall that places it in band C.

About 28 g of Cheerios equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 356 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 178 kcal.