Vitamin A There are two key types of vitamin A–retinol and carotenoids. Yellow and orange fruit and vegetables, such as mango, papaya, and carrots contain carotenoids which are converted to retinol by…… Source: http://feedproxy.google.com/~r/ann-en/~3/oIYFK1Ifroo/eat-your-way-to-younger-looking-skin