We often see advertisements on TV to supplement zinc, so what is zinc and what do we rely on to supplement it? Zinc is one of the trace elements in the human body, depending on the growth and development of the human body, reproductive genetics, for and these play an important role. What are the foods that contain zinc and how to eat zinc supplement 1, foods with high zinc content are lean meat, pork liver, egg yolk and the like, the highest of which has to be oysters, there have been years of testing found that animal foods contain much higher amounts of zinc than those in plants, about 3-5mg per 100mg of food contains such. 2, plant food, this zinc content is relatively much less, about 1mg of zinc per 100mg, mainly from beans, peanuts, radish, cabbage, etc.. 3, shellfish food contains very high zinc, like oysters, oysters, etc., especially oysters, which is the highest zinc content, while the zinc content in fruits is very small. 4, animal protein, that is, the common fish, meat, liver, etc., these are rich in zinc balanced, zinc deficient people can start from these. The dangers of zinc deficiency 1, low immunity, recurrent infections: frequent colds and fevers, recurrent respiratory infections such as tonsillitis, bronchitis, pneumonia, sweating, sleeping night sweats; 2, slow growth and development; height 3-6 cm lower than the same age group, weight 2-3 kg lighter; 3, poor intellectual development: hyperactivity, slow reaction, inattention, poor learning ability; 4, loss of appetite: picky eating, anorexia 5. xenophagia: nail biting, biting clothes, toys, hard objects, eating hair, paper scraps, raw rice, wall dust, dirt, sand and stones, etc.; 6. vision problems: vision loss, easily leading to night vision difficulties, myopia, farsightedness, astigmatism, etc.; 7. skin damage: when trauma occurs, wounds do not heal easily; prone to dermatitis, stubborn eczema 8, other: irritability, sweating, map tongue, white spots on nails, multiple flesh spurs on the ends of fingers, mouth ulcers, yellowing, thinning or loss of hair. What are the ways to prevent zinc deficiency in children? Although zinc is an essential trace element, it cannot be synthesized in the body and has to be provided by external foods. A survey of the daily zinc intake of children aged 1-6 years showed that the daily intake of zinc was only 50% of the standard dietary allowance, which is far from enough to meet the needs of children’s growth and development. In other words, many children do not get enough zinc from their daily food. Zinc deficiency can lead to loss of appetite, anorexia, chronic diarrhea, growth retardation, mental retardation, as well as low immunity and increased chance of infection. If you notice any of these symptoms in your child, please visit the hospital to clarify if it is due to zinc deficiency. Although zinc is an essential trace element, it cannot be synthesized in the body and can only be provided by external food. If the zinc deficiency is serious, some zinc supplements such as New Rare Zinc and Selenium tablets have to be taken to supplement the zinc deficiency.