Source:http://linkedlifedata.com/resource/umls/id/C0042890
MSH: Organic substances that are required in small amounts for maintenance and growth, but which cannot be manufactured by the human body.,CSP: diverse group of organic nutrient substances required in trace amounts for normal metabolic function; many are enzyme cofactors or cofactor precursors.,NCI: A class of micronutrients that regulate and support chemical reactions in the body.,MEDLINEPLUS: <p>Vitamins are substances that your body needs to grow and develop normally. There are 13 vitamins your body needs. They are vitamins <a href='http://www.nlm.nih.gov/medlineplus/vitamina.html'>A</a>, <a href='http://www.nlm.nih.gov/medlineplus/vitaminc.html'>C</a>, <a href='http://www.nlm.nih.gov/medlineplus/vitamind.html'>D</a>, <a href='http://www.nlm.nih.gov/medlineplus/vitamine.html'>E</a>, <a href='http://www.nlm.nih.gov/medlineplus/vitamink.html'>K</a> and the <a href='http://www.nlm.nih.gov/medlineplus/bvitamins.html'>B vitamins</a> (thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B-6, vitamin B