Vitamin A is very beneficial for us and it is required mainly for good eyesight. It also helps in balancing genes, manage healthy skin, boost up the immune system and produce red blood cells. Lack of Vitamin A in our diet causes impaired vision. There are various foods by which we can get Vitamin A and some of them are cod liver oil, eggs, whole milk, sweet potato, pumpkin, carrots, butternut, spinach, etc.