Lack of trace elements can lead to fatigue, boredom, dull skin and low immunity. These are all signs of vitamin deficiency. Iron deficiency is manifested as fatigue, pallor and inattention. Due to iron deficiency, patients will have general weakness, memory loss, decreased immune function, pale face and other symptoms. They should choose foods rich in iron and with high absorption rate. Lean meat, soybeans and grains all contain vitamins. It also exists in bovine liver or shellfish. Vitamin iron is very important for red blood cells. Because they provide oxygen to body tissues. Especially women under 50. Increase iron intake and keep hair and surrounding skin healthy.

Lack of magnesium often leads to headaches. Beans, nuts and leafy vegetables contain magnesium. This vitamin can help human nerves work normally and keep blood sugar level. Nosebleeds are usually caused by the low content of vitamin K in human body. Vitamin K can be obtained by eating green leafy vegetables such as spinach and cabbage. The most common factor of gum bleeding is gum disease, and severe vitamin C deficiency can also lead to gum bleeding. Zinc can promote the normal growth and development of human body. If the intake is insufficient, it will reduce the sense of smell and taste of the human body, thus interfering with the growth of the human body and reducing intelligence. Zinc deficiency in the body will affect the growth and development, and the zinc content in shellfish, animal meat and eggs is high.

Lack of copper in the body will lead to a lot of pigmentation on the skin and affect the development of the brain. Excessive copper can cause acute hemolytic jaundice, nausea and vomiting. Animal livers, nuts and shellfish contain a lot of copper. Calcium is an important part of bones, and vitamin D can help people absorb calcium.

If you don't get enough vitamin C and vitamin E, you will often cough and sneeze. Antioxidants contained in vitamin C can strengthen your immune system. A balanced diet can't prevent colds, but it can keep healthy and resist colds. One of the many functions of vitamin B 12 is to assist the nervous system. Insufficient intake of vitamin B 12 will affect the signals in the ears and brain, leading to hearing loss or tinnitus.