Nutri-grain

Nutri-grain by Kellogg's has 388 kcal per 100 g. One serving (40 g) is about 155 kcal.

Nutri-grain contains 21.7 g of protein per 100 g — about 8.7 g per 40 g serving.

Yes — 21.7 g of protein per 100 g, supplying 23% of its calories. That makes it an excellent protein source.

Yes — carbohydrates provide 70% of its calories (65.2 g per 100 g). It also delivers 5.2 g of fiber.

It provides 5.2 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 (388 kcal); points in favor come from fiber (5.2 g), protein (21.7 g). Overall that places it in band A.

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

Yes — 388 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 194 kcal.