how long for vitamin b12 injections to work How Long Does It Take
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In general: If you follow a vegan, vegetarian, or low-meat diet and are not supplementing with vitamin B12 you might be at risk for deficiency

Monitor your protein intake carefully at this dose

Furthermore, Vitamin B12 plays a large role in improving brain function

This approach identifies people who actually need it while avoiding unnecessary supplements and costs for others

If we are lucky and our mother had a good supply of B12, we would be born with a store, but this eventually runs out or stops being accessible for many reasons

[DOI] [PubMed] [Google Scholar] 123.Kim D, MacConell L, Zhuang D, et al