Mackerels are considered some of the most nutritious fishes. They’re an excellent source of protein, vitamins B2, B3, B6, and B12, and vitamin D. Their flesh is also full of minerals like copper, selenium, and iodine. Some of these fishes also contain good amounts of iron and vitamin B1.
Good fresh mackerel has full flavor but a nice sweetness to it. it’s taste and richness holds up to almost any bold and flavorful preparation.