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

3) Herring

We have many types of herring to choose from as there are over 100 known varieties. Each one has a slightly different nutritional profile, but they are all filled with high-quality protein. The preparation of Atlantic herring is versatile, and you can store it for quite a long time in the freezer. Besides the protein, you will get plenty of Omega-3 fatty acids and vitamin D. It’s also high in vitamin B12, vitamin A, and selenium.

One fillet weighing 143 grams contains around 33 grams of protein. It’s a safe protein for pregnant women and can be used in a ketogenic diet because it has zero sugars and zero carbohydrates.