There are maybe more than 60 kinds of trace elements contained in human body, and as its name implies that trace elements content in human body is less, and people will get various kinds of strange diseases with the lack of trace elements, therefore we should eat more food that contains plenty of trace elements in daily life so as to supplement iron, zinc, iodine, selenium and so on elements are needed by our body every day. Next i would like to keep you informed of these four kinds of indispensable trace elements worthy of attention as much as i can.

First of all, iron. Iron element is a kind of composition that can form body hemoglobin and is not metallic iron that can rust. With the lack of iron element, people will start to get anemia. The most common iron deficiency anemia crowds are mainly pregnant women, children, women in menstrual period. Besides, pork liver 100g contains iron 181.3mg, rich protein, glycogen, heparin, vitamin and so on and can adjust, improve physiological function of hemopoietic system of anemia patients as well as prevent iron deficiency anemia and rickets.

Secondly, zinc. This kind of zinc element is usually praised as ‘‘Flower of Life’’ and has an important effect on the generation of sexual development of human body, sexual function and germ cells. Supplementing zinc element is very necessary in our daily life.

Thirdly, iodine. This kind of iodine element is called ‘‘ intelligence element’’ and has the effects of promoting catabolism, energy conversion, increasing oxygen consumption and strengthening the heat production in human body.

Finally, selenium. Selenium element is one of necessary trace elements in human life activities and is a kind of antioxidant in human body as well as can improve human immunity and has multiple kinds of biological functions.

All in all, I hope that all above information can be useful and helpful to all of you, thanks a lot.