31

31 by Bitz has 514 kcal per 100 g. One serving (100 g) is about 514 kcal.

31 contains 17.3 g of protein per 100 g — about 17.3 g per 100 g serving.

Yes — 17.3 g of protein per 100 g, supplying 13% of its calories. That makes it a good protein source.

It provides 8.4 g of fiber per 100 g — 30% 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 (514 kcal), sugar (12.5 g); points in favor come from fiber (8.4 g), protein (17.3 g). Overall that places it in band B.

About 19 g of 31 equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 514 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 257 kcal.

Per 100 g it has 12.5 g sugar and 32.7 g fat (1.9 g saturated). Fat provides 58% of its calories, so portion size matters most here.