Definition & Meaning of "vitamin A"

What is "vitamin A"?

Vitamin A is a fat-soluble vitamin that is essential for maintaining healthy vision, skin, and immune function. It is important for normal growth and development, reproduction, and the formation of specialized cells. Vitamin A is also a powerful antioxidant, helping to protect cells from damage caused by harmful molecules called free radicals. Good dietary sources of vitamin A include liver, fish liver oils, eggs, dairy products, and colorful fruits and vegetables, such as carrots, sweet potatoes, and spinach.