Special K Cornflakes

Special K Cornflakes by Kellogg's has 378 kcal per 100 g. One serving (30 g) is about 113 kcal.

Special K Cornflakes contains 9.2 g of protein per 100 g — about 2.8 g per 30 g serving.

Yes — carbohydrates provide 86% of its calories (79 g per 100 g, of which 14 g is sugar). It also delivers 5.4 g of fiber.

It provides 5.4 g of fiber per 100 g — 19% 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 (378 kcal), sugar (14 g); points in favor come from fiber (5.4 g), protein (9.2 g). Overall that places it in band B.

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

Yes — 378 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 189 kcal.

Per 100 g it has 14 g sugar and 1.6 g fat (0.3 g saturated). Fat provides 4% of its calories, so portion size matters most here.