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Vitamina B12
Definición:
Es una vitamina hidrosoluble. Las vitaminas hidrosolubles se disuelven en agua y el cuerpo no las puede almacenar. Después de que el cuerpo utiliza estas vitaminas, las cantidades sobrantes salen del cuerpo a través de la orina.
TÃpicamente, las vitaminas hidrosolubles no pueden ser almacenadas por el cuerpo, pero la vitamina B12 es especial, porque el cuerpo la puede almacenar por años en el hÃgado. Debido a esto, una deficiencia de vitamina B12 es muy rara.
Nombres alternativos:
Cobalamina
Funciones:
La vitamina B12, al igual que las otras vitaminas del complejo B, es importante para el metabolismo , ayuda a la formación de glóbulos rojos en la sangre y al mantenimiento del sistema nervioso central .
Referencias:
Goldman L, Ausiello D. Cecil Textbook of Medicine . 22nd ed. Philadelphia, Pa: WB Saunders; 2004.
Institute of Medicine. Food and Nutrition Board. Dietary Reference Intakes: Thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, pantothenic acid, biotin, and choline . Washington, DC: National Academy Press; 1998.
- Fecha de revisión: 5/3/2007
- Versión en inglés revisada por: A.D.A.M. Editorial Team: Greg Juhn, M.T.P.W., David R. Eltz, Kelli A. Stacy. Previously reviewed by William McGee, M.D., M.H.A., Assistant Professor of Medicine and Surgery, Tufts University School of Medicine, Boston, MA, and Chairman, Nutrition Committee, Baystate Medical Center, Springfield, MA. Review provided by VeriMed Healthcare Network. (1/2/2007)
- Traducción y localización realizada por: DrTango, Inc.
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