Functions and Roles of Vitamin A

The functions and roles of Vitamin A mainly include the following: 1. Vision protection: Vitamin A is one of the components of retinal pigment and is essential for maintaining normal vision. It helps in seeing clearly in low-light conditions. 2. Promoting growth and development: It plays a significant role in children's growth and development, facilitating normal cell division and proliferation, ensuring the proper development of organs and tissues. 3. Enhancing the immune system: It can regulate the development and function of immune cells, improving the body's resistance to viruses and bacteria. 4. Maintaining skin health: It helps maintain the elasticity and smoothness of the skin, reduces dryness and roughness, and promotes healing and repair of damaged skin.