Vitamin A – Uses, Benefits, Sources and Dosage Vitamin A is a fat-soluble vitamin and is stored in the liver. Types of Vitamin A Generally, Vitamin A found in the diet is of two types: Preformed Vitamin A: This type of Vitamin is found in animal products that include meat, fish and dairy foods too. Pro-Vitamin A: This type of Vitamin is found in plant based foods. It includes fruits and vegetables. Beta carotene is the most common type of