1, abnormal sperm quality: zinc deficiency affects the production of male sperm, leading to the decline of sperm activity and quantity, which in turn affects fertility and even causes sexual dysfunction, such as impotence and premature ejaculation.

2, loss of appetite: zinc deficiency leads to decreased taste, causing loss of appetite, partial eclipse, pica and other symptoms. Long-term zinc deficiency will lead to health problems such as malnutrition.