Original Crispix Cereal

Original Crispix Cereal by Kellogg's has 385 kcal per 100 g. One serving (39 g) is about 150 kcal.

Original Crispix Cereal contains 7.7 g of protein per 100 g — about 3 g per 39 g serving.

Yes — carbohydrates provide 92% of its calories (87.2 g per 100 g, of which 12.8 g is sugar).

Yes — 666.7 mg of sodium per 100 g, about 29% of the daily value.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (385 kcal), sugar (12.8 g), sodium (666.7 mg). Overall that places it in band C.

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

Yes — 385 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 192 kcal.

Per 100 g it has 12.8 g sugar and 0 g fat (0 g saturated). Fat provides 0% of its calories, so portion size matters most here.