Fish oil can actually clean up the accumulated substances in blood vessels, help people clean up excess cholesterol in blood vessels, and even improve the quality of sleep. Through research, it is found that taking fish oil can appropriately improve human immune function, because organic substances in fish oil can reduce the migration of white blood cells and monocytes, thus changing the inflammatory process and reducing the probability of various infectious diseases and autoimmune diseases. In addition, these unique substances can relieve the restrictive effect of immune cells, enhance the killing function of immune system to tumor cells, soften cell membranes, enhance the activity of immune cells, help immune cells transmit information and kill harmful cells. According to relevant scientific research, fish oil also has a certain preventive effect on heart disease and can effectively dilate blood vessels. Fish oil can also improve people with poor innate immunity. There are many substances in fish oil that are helpful for fitness and muscle building. Unsaturated fatty acids in fish oil can coordinate human immune system and improve human immunity. Take fish oil at most twice a day, one at a time. Because the body has certain restrictions on the absorption of fish oil, eating too much will not do much good. For people with poor innate immunity, the role of fish oil may be greater, but for these special people, it is necessary to scientifically plan the intake of fish oil, so as to promote the absorption of fish oil nutrition. The role of fish oil in improving immunity has a certain effect on all kinds of people, even on people with poor immunity. Moreover, the function of fish oil can not only enhance immunity, but also have other regulatory functions, and it also has a great effect on people with poor immunity and can improve their physique, so it can fundamentally change the immunity of people with poor immunity.