Rigatoni

Rigatoni by no name has 310 kcal per 100 g.

Rigatoni contains 10 g of protein per 100 g.

Yes — 10 g of protein per 100 g, supplying 12% of its calories. That makes it a good protein source.

Yes — carbohydrates provide 83% of its calories (67 g per 100 g, of which 2 g is sugar). It also delivers 4 g of fiber.

Yes — only 2 g of sugar per 100 g. Most of its 67 g of carbs come from starch and fiber rather than sugar.

Yes — just 0 mg per 100 g (0% of the daily value), which qualifies as low sodium.

It provides 4 g of fiber per 100 g — 14% of the daily value.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. It collects almost no negative points (low sugar, saturated fat and sodium); points in favor come from fiber (4 g), protein (10 g). Overall that places it in band A.