The two forms of Vitamin A are as follows. Provitamin A carotenoids: The pigments that give vegetables and fruits their yellow, orange, and red colours are called carotenoids. Your body progressively transforms the carotenoids from these fruits and vegetables into Vitamin A after you consume them.  Preformed Vitamin A: Retinol, or preformed Vitamin A, is a nutrient found in animal products such as eggs, fish, beef, chicken, and liver. Additionally, dairy items and cereals are fortified with Vitamin A.