You can eat sea fish to keep fit. Marine fish contains a lot of protein, and its fat content is low, which can enhance the fitness effect.

Seawater is extremely rich in nutrients and contains a lot of nutrients, which makes the contents of minerals and vitamins in marine fish high. In addition, the liver oil and body oil of marine fish contain a highly unsaturated fatty acid that is not found in land animals and plants. The component called DHA (commonly known as brain gold) is an essential nutrient for the brain.