Lysine is one of the essential amino acids in the human body, which can have the following effects: 1. Promote the growth and development of the human body, which can significantly promote the development of proliferating cells and basic human substances, such as heart muscle cells and skeletal muscle cells. 2. Enhance the immunity of the human body. Lysine has a significant effect on the immune system, leading to colds such as influenza and viral colds. 3. stabilizes and improves central nervous function, which is good for insomnia, dreaminess, rest, poor sleep and memory loss. Lysine is also good for the digestive system, for the normal digestion and absorption of food and nutrients. 4, lysine is also effective in preventing osteoporosis, helping to deposit calcium ions in the bones.