Fatty fish

Fatty fish is usually considered to be one of the most nutritious animal protein sources. Salmon, trout, mackerel, sardines, and herring are examples of such fish. These fish are abundant in omega-3 fatty acids, high-quality proteins, and a range of vitamins and minerals.

According to research, eating fatty fish on a daily basis may improve cognitive performance, assist control blood sugar levels, and lower the risk of heart disease. If you can't (or don't want to) consume fish, a fish oil supplement may be beneficial. The finest fish liver oil is cod liver oil. It provides all of the omega-3 fatty acids you require, as well as lots of vitamin D.