Top 10 · Updated October 2026
Highest-Protein Plain Mackerel Fillets
Plain mackerel fillets: typically 23 g of protein per 100 g (median of 33 products). The plain mackerel fillets with the most protein per 100 g. Useful if you are trying to increase your protein intake. We checked 31 plain mackerel fillets with complete data.
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Sgombro al naturale
Porticello · 425 g -
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Filetti di sgombro al naturale nostromo
Calvo · 120 g -
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Filetto Sgombro Natural
ASdoMAR · 150 g -
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Filetti di sgombro grigliati al naturale
Crai · 120 g
How we built this list
We ranked all published plain mackerel fillets on Foodmetria that have a photo and the required nutrition data, using values per 100 g from the product label. Ties are broken by Nutri-Score and by how often shoppers scan the product. Rankings update automatically as label data changes. Read our methodology.