The 23 Best High-Protein Foods, According to a Dietitian

14) Atlantic Mackerel

We talked about different types of fish and seafood because they are a source of protein with no carbs or almost none. That is the case with mackerel, too. It contains no carbs, provides plenty of omega 3 fatty acids, and besides protein, it will give you B vitamins, iron, magnesium, selenium, and phosphorus. It is also a good source of vitamin D in some cases.

1 fillet of Atlantic mackerel weighing 146 grams contains 21 grams of protein. This protein contains all 9 essential amino acids. As such, it is a high-quality protein to consume. Moreover, it is recommended to reduce cognitive decline and improve cardiovascular health.