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Vitamina B12 - Side Effects

Nombres alternativos

Cobalamina; Cianocobalamina

Efectos secundarios:

Una falta de vitamina B12 (deficiencia de vitamina B12) ocurre cuando el cuerpo no obtiene o es incapaz de absorber la cantidad de vitamina que necesita.

  • Muchas personas de más de 50 años pierden la capacidad para absorber la vitamina B12 de los alimentos.
  • Las personas que siguen una dieta vegetariana estricta y no consumen huevos o productos lácteos pueden necesitar suplementos de vitamina B12.
  • Aquellas personas que se han sometido a una cirugía gastrointestinal, como la cirugía para bajar de peso, pierden la capacidad para absorber la vitamina B12.
  • Es posible que las personas que tienen trastornos digestivos, como celiaquía o enfermedad de Crohn, no puedan absorber suficiente vitamina B12.

Los niveles bajos de vitamina B12 pueden causar:

  • Anemia.
  • Pérdida del equilibrio.
  • Entumecimiento u hormigueo en brazos y piernas.
  • Debilidad.

Ver también:

  • Reviewed last on: 2/15/2011
  • Alison Evert, MS, RD, CDE, Nutritionist, University of Washington Medical Center Diabetes Care Center, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Escott-Stump S, ed. Nutrition and Diagnosis-Related Care. 6th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2008.

Sarubin Fragaakis A, Thomson C. The Health Professional's Guide to Popular Dietary Supplements. 3rd ed. Chicago, Il: American Dietetic Association; 2007.

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.

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