Mackerel is rich in protein, vitamins, trace elements zinc, selenium and other nutrients. 1. Mackerel contains protein, fat, rich in vitamins, trace elements zinc is very important, if the lack of zinc will lead to reduced sense of smell, intelligence affected, depressed, eat more mackerel can supplement the body zinc content. 2. Mackerel is also rich in selenium, iodine and other trace elements. Mackerel is a kind of high protein low fat food, for obesity, hyperlipidemia, hypercholesterolemia, atherosclerosis of the population are more suitable for food. 3. Mackerel contains protein is also relatively high, eat more mackerel can supplement the body low protein, supplement the body’s nutrition. Fish can be consumed properly every week to maintain dietary balance.