King Prawns

King Prawns by Asda has 90 kcal per 100 g. One serving (142 g) is about 128 kcal.

King Prawns contains 19 g of protein per 100 g — about 27 g per 142 g serving.

Yes — 19 g of protein per 100 g, supplying 86% of its calories. That makes it a good protein source.

With 1 g total carbs (about 0.3 g net carbs) per 100 g, it fits low-carb and keto eating patterns in normal portions.

Yes — 511 mg of sodium per 100 g, about 22% of the daily value.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from sodium (511 mg); points in favor come from protein (19 g). Overall that places it in band B.

About 111 g of King Prawns equals 100 kcal. It is a relatively low energy-density food, so portions can be generous.

Per 100 g it has 0.5 g sugar and 0.9 g fat (0.2 g saturated). Fat provides 9% of its calories, so portion size matters most here.