b12 injection half life Vitamin Injections half life of b12 injection
Description
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Oral supplements can work for: Dietary deficiencies (e.g., in vegans), mild absorption issues, or as a maintenance option after initial injection therapy
Unlike supplements taken by mouth, injections bypass the digestive system, ensuring full absorption
The absence of data is the default outcome of how testing works, not a red flag specific to this ingredient
[DOI] [PMC free article] [PubMed] [Google Scholar] 333.Poynten, A
