Herring

Herring by Polar has 244 kcal per 100 g. One serving (100 g) is about 244 kcal.

Herring contains 17.8 g of protein per 100 g — about 17.8 g per 100 g serving.

Yes — 17.8 g of protein per 100 g, supplying 28% of its calories. That makes it a good protein source.

With 0 g total carbs (about 0 g net carbs) per 100 g, it fits low-carb and keto eating patterns in normal portions.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from saturated fat (3.3 g), sodium (422.2 mg); points in favor come from protein (17.8 g). Overall that places it in band C.

About 41 g of Herring equals 100 kcal.

It contains 75 mg of cholesterol per 100 g — 25% of the daily value, which is on the high side.

Per 100 g it has 0 g sugar and 20 g fat (3.3 g saturated). Fat provides 72% of its calories, so portion size matters most here.