Mackerel Fillets

Mackerel Fillets by The Fishmonger has 232 kcal per 100 g. One serving (85 g) is about 197 kcal.

Mackerel Fillets contains 22.2 g of protein per 100 g — about 18.9 g per 85 g serving.

Yes — 22.2 g of protein per 100 g, supplying 38% of its calories. That makes it an excellent 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. It collects almost no negative points (low sugar, saturated fat and sodium); points in favor come from protein (22.2 g). Overall that places it in band B.

About 43 g of Mackerel Fillets equals 100 kcal.

Per 100 g it has 0 g sugar and 15.9 g fat (2.9 g saturated). Fat provides 62% of its calories, so portion size matters most here.