Vitamin A is an essential vitamin required for vision, gene transcription, boosting immune function, and great skin health. A deficiency in vitamin A can lead to blindness and increased viral infection, however deficiency is only considered a problem in developing countries where it is a leading cause of blindness in children. Over consumption of vitamin A can lead to jaundice, nausea, loss of appetite, irritability, vomiting, and even hair loss. Vitamin A if a fat soluble vitamin, and therefore, needs to be consumed with fat in order to have optimal absorption
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