Dukan

Dukan by Dukan has 409 kcal per 100 g. One serving (30 g) is about 123 kcal.

Dukan contains 13.3 g of protein per 100 g — about 4 g per 30 g serving.

Yes — 13.3 g of protein per 100 g, supplying 14% of its calories. That makes it a good protein source.

Yes — just 76 mg per 100 g (3% of the daily value), which qualifies as low sodium.

It provides 19.7 g of fiber per 100 g — 70% 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 (409 kcal); points in favor come from fiber (19.7 g), protein (13.3 g). Overall that places it in band A.

About 24 g of Dukan equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 409 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 204 kcal.