Vitamin A, in the form of retinal or retinol, comes from animal sources. These include liver, eggs, fortified milk and the oils of some fish. Vitamin A, in the form of carotenoids, is found in plants. Carotenoids such as beta-carotene, are converted into vitamin A in the body. Beta-carotene is one of the most common carotenoids.
Carotenoids are pigments found in deep orange, red and yellow fruits and vegetables.
It is also found in many dark-green leafy vegetables. Vitamin A helps build and maintain healthy teeth, skeletal and soft tissue, skin and mucous membranes. It helps the growth and health of all cells in the body. It is especially important for proper night vision. Vitamin A plays an important role in the immune system by helping protect from infections.