Copper (1) is an essential trace element for human body. It can enter the blood within 15 minutes after ingestion, and exists inside and outside red blood cells, which can help iron transporter and play an important catalytic role in the formation of heme. And in the process of food cooking, copper is not easy to be destroyed. ≮ Efficacy ≯ Help to absorb iron, help to form heme and improve vitality; Conducive to the absorption of vitamin c; Promote the utilization of tyrosine, one of amino acids, and become an element of hair and skin pigment. ≮ Food sources ≯ Beans, whole wheat, straw mushrooms, peanuts, olives, honey, animal offal, shellfish, shrimp, crabs, etc. Zinc is the main substance for synthesizing protein, which guides and supervises the effective operation of various body functions and the maintenance of enzyme systems and cells. It can direct muscle contraction and help to form insulin, which is an important substance to stabilize blood state and maintain acid-base balance in the body. It makes the prostate function normal and is an important substance for the development of reproductive organs. There is ample evidence that zinc is a necessary substance for DNA synthesis. ≮ Efficacy ≯ Accelerate the healing of wounds inside and outside the human body; Eliminate white spots on batch a; Prevent loss of taste; Conducive to treating reproductive dysfunction; Helps prevent prostate diseases; Promote growth and development, quick thinking; Reduce the accumulation of cholesterol; Helps to treat mental disorders. ≮ Food sources ≯ Meat, liver, seafood, beer, pumpkin seeds, chestnuts, eggs, dairy products, sesame seeds, mustard and so on. Two-thirds of iodine in human body exists in thyroid gland. Thyroid can control metabolism, and thyroid is affected by iodine. Therefore, if iodine is insufficient, it may cause mental retardation, obesity and lack of vitality. ≮ Efficacy ≯ Transform excess fat to help lose weight; Promote moderate development; Give vitality; Improve the agility of reaction; Promote the health of hair, nails, skin and teeth. ≮ Food sources ≯ Seaweed such as kelp, onions and seafood, vegetables produced in iodine-rich soil.