Zinc is a trace element, its content and daily intake in human body are very small, but it can play a decisive role in human sexual development, sexual function and the generation of germ cells, so it is called "the spark of life" and "the harmonious element of marriage". The normal zinc content of human body is 2-3g. A very small amount of zinc is distributed in most tissues, especially in liver, muscle and bone. Zinc is the main component of dozens of enzymes in the body. When zinc is deficient, all systems of the whole body will be adversely affected. In particular, it has a more direct impact on puberty gonadal maturation. Main manufacturer: Western Mining Group Co., Ltd.