Herring contains 1.4 milligrams of iron per 100 grams. Grams is a measure of weight.

What Fish is high in iron?

Besides tuna, haddock, mackerel, and sardines are a few other examples of iron-rich fish that you can also include in your diet ( 77 , 78 , 79 ).

Is herring a healthy fish to eat?

Herring is an excellent source of lean protein. A single three-ounce serving of herring contains a whopping 20 grams of protein. In addition to its high protein content, herring contains many other key nutrients, such as: Omega-3 fatty acids.