In Shell Chestnuts

In Shell Chestnuts by M&S Food has 140 kcal per 100 g.

In Shell Chestnuts contains 1.6 g of protein per 100 g.

Yes — carbohydrates provide 82% of its calories (30.4 g per 100 g, of which 5.8 g is sugar). It also delivers 4.1 g of fiber.

Yes — just 4 mg per 100 g (0% of the daily value), which qualifies as low sodium.

It provides 4.1 g of fiber per 100 g — 15% 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 (4.1 g). Overall that places it in band A.

About 71 g of In Shell Chestnuts equals 100 kcal.

Per 100 g it has 5.8 g sugar and 2.2 g fat (0.4 g saturated). Fat provides 14% of its calories, so portion size matters most here.