b12 injection half life Vitamin Injections Discover the Life-Giving Power of
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doi: 10.1016/j.bmcl.2014.03.065

Oral supplements can work for: Dietary deficiencies (e.g., in vegans), mild absorption issues, or as a maintenance option after initial injection therapy

However, certain foods are fortified with vitamin B12

[DOI] [PMC free article] [PubMed] [Google Scholar] 333.Poynten, A
