Southern King Crab

Southern King Crab has 80 kcal per 100 g.

Southern King Crab contains 17 g of protein per 100 g.

Yes — 17 g of protein per 100 g, supplying 80% of its calories. That makes it a good protein source.

With 2 g total carbs (about 2 g net carbs) per 100 g, it fits low-carb and keto eating patterns in normal portions.

Yes — 480 mg of sodium per 100 g, about 21% 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 (480 mg); points in favor come from protein (17 g). Overall that places it in band B.

About 125 g of Southern King Crab equals 100 kcal. It is a relatively low energy-density food, so portions can be generous.

Per 100 g it has 0 g sugar and 1 g fat (0.1 g saturated). Fat provides 11% of its calories, so portion size matters most here.