[DOI] [PMC free article] [PubMed] [Google Scholar] [168].Barnes D, Yeh AM
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For some, particularly those with permanent malabsorption issues, injections are a regular, lifelong requirement, typically lasting between two to three months per dose
Lack of improvement after six months may indicate need for protocol adjustment or additional interventions
While some foods like plant-based milks and cereals are fortified with B12, relying on them isnt always enough to meet your bodys needs
