Tuna

Tuna is rich in protein, fat, vitamin D, and minerals such as calcium, phosphorus, and iron are also high.

Tuna contains a large amount of EPA in the back, and rich in DHA in the front and middle abdomen.Tuna contains the highest proportion of DHA, which makes it an excellent brain food. Tuna contains a large amount of myoglobin and cytochrome, and most of the fatty acids are unsaturated fatty acids.