Essential trace elements

Essential trace elements are trace elements that are deficient in the body's physiological function and structure, and cause various diseases and diseases. There are 5 standards for essential trace elements: ① This element exists in all tissues of all healthy organisms. ② The concentration in the tissue is quite constant. ③ In the absence of this element, it can produce similar structural and physiological abnormalities in different tissues. ④ Adding this element can prevent such abnormal changes. ⑤ Supplementing this element can restore the abnormal function and structure to normal. There are 8 essential trace elements in the human body, including iodine, zinc, selenium, copper, molybdenum, chromium, cobalt, and iron.