b12 injection period How Quickly Does Shot Work? Duration of Benefits How Often Should You Get
Description
[DOI] [PMC free article] [PubMed] [Google Scholar] 170.Haynes AC, Chapman H, Taylor C, et al

Here you can see the recommended daily intake of vitamin B12 for adults: The requirements are particularly important for women at certain stages of life

The digestive process breaks down most nutrients before they ever reach your bloodstream

However, clinical evidence for MIC's additive benefit is limited