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Heres how to get more B12: Eat Animal Products Consumption of animal products such as meat, fish, poultry, eggs, milk, and cheese provide the highest amounts of B12 naturally

A loading phase of 1mg three times weekly for two weeks, then maintenance of 1mg every two to three months, adjusted for the cause and any neurological involvement

[DOI] [PMC free article] [PubMed] [Google Scholar] 43.Trehy M.R., German A.J., Silvestrini P., Serrano G., Batchelor D.J

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These symptoms may indicate advanced deficiency requiring immediate treatment, particularly in pregnancy, infancy, or following nitrous oxide exposure