In my last few articles I have been talking about vitamins.  Today I am going to be discussing in greater detail the vitamin at the beginning of the alphabet – Vitamin A. Vitamin A was the first vitamin discovered hence it being given the the first letter of the alphabet.  It was officially discovered between 1912 and 1914 by Elmer McCollum and M. Davis, although in 1913 Thomas Osborne and Lafayette Mendel found that butter contained a fat soluble nutrient that would soon become known as vitamin A. Vitamin A is a fat soluble vitamin and its most notable function is that it helps improve … [Read more...]