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Nutriente

Vitamina B12

Área de investigación consolidada

Una vitamina que participa en la formación de glóbulos rojos y la función nerviosa, presente casi exclusivamente en alimentos de origen animal como la carne, el pescado, los huevos y los lácteos.

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Datos habituales

Datos habituales
Vitamin B12 is used by the body to form red blood cells and DNA and to keep nerve cells working normally; it is found almost entirely in animal foods and fortified products.
Ingesta baja
Low B12 status is commonly discussed in relation to tiredness, weakness, and tingling in the hands and feet, and is a more common topic for people eating plant-based diets and for older adults.
Ingesta más alta
Vitamin B12 has no established upper intake level, as the body does not store excess amounts from food, and it is generally considered to have low risk of harm.

Fuente: NIH ODS

Ingestas de referencia

Cifras de referencia generales para un adulto típico, no un objetivo personal.

  • rdaadult2.4 mcgDRI/NASEM

Alimentos y productos que lo contienen

Conviene saber

People eating fully plant-based diets often discuss B12 from fortified foods or a supplement with a professional.

Feelments es para el seguimiento personal y la educación general sobre bienestar. No ofrece consejo médico, diagnóstico ni tratamiento.

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