Vitamin B12 in adults on vegetarian and vegan diets.
Plant-based dietary patterns are beneficial for cardio metabolic health and are associated with a lower risk of multiple diseases, including ischemic heart disease and several types of cancer. For these reasons, they are in creasingly recommended by the main medical societies and dietary guidelines....
| Publicado en: | Medicina (Buenos Aires) Vol. 86; no. 3; pp. 733 - 742 |
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| Autores principales: | , , |
| Formato: | Artículo |
| Publicado: |
Medicina (Buenos Aires)
may/jun2026
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| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |
| Sumario: | Plant-based dietary patterns are beneficial for cardio metabolic health and are associated with a lower risk of multiple diseases, including ischemic heart disease and several types of cancer. For these reasons, they are in creasingly recommended by the main medical societies and dietary guidelines. However, if not properly planned, these dietary patterns can lead to insufficient intake of certain nutrients, including vitamin B12. Specifically, people who follow vegetarian or vegan diets usually have a low or no intake of vitamin B12, since the dietary sources of this vitamin are foods of animal origin. Given that this is an essential nutrient, whose deficiency can lead to serious health consequences, it is essential to have clear guidelines for the prevention, diagnosis and timely treatment of vitamin B12 deficiency in the popu lation with a vegetarian and vegan diet. La adopción de patrones alimentarios basados en plantas tiene beneficios para la salud cardiometabólica y se asocia a menor riesgo de múltiples enfermedades, entre ellas la cardiopatía isquémica y varios tipos de cáncer. Por estos motivos, son cada vez más recomen dados por las principales sociedades médicas y guías alimentarias. No obstante, si no se planifican adecuada mente, estos patrones alimentarios pueden llevar a una ingesta insuficiente de ciertos nutrientes, entre ellos la vitamina B12. Concretamente, las personas que siguen dietas vegetarianas o veganas suelen tener una ingesta baja o directamente nula de vitamina B12, ya que las fuentes dietéticas de esta vitamina son los alimentos de origen animal. Dado que este es un nutriente esencial, cuya deficiencia puede llevar a graves consecuencias para la salud, se hace imprescindible contar con pautas claras para la prevención, el diagnóstico y tratamiento oportuno de la deficiencia de vitamina B12 en población con alimentación vegetariana y vegana. |
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