vitamin a is in what
background vitamin a is a fat soluble vitamin that comes from two sources preformed retinoids and provitamin carotenoids retinoids such as retinal and retinoic acid are found in animal sources such as liver kidney eggs and dairy productscarotenoids such as beta carotene which has the highest vitamin a activity are found in plants such as dark or yellow vegetables and carrotsetinoids such as retinal and retinoic acid are found in animal sources such as liver kidney eggs and dairy products carotenoids such as beta carotene which has the highest vitamin a activity are found in plants such as dark or yellow vegetables and carrots