b12 injection quora Vitamin Injections: Hot Shots? Full Guide · PA Relief B12 Injections vs. IV Drips:
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The inclusion of participants experiencing these hormonal changes may be another limitation of the study

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[101] Nanotechnologies used in vitamin B 12 supplementation Conventional administration does not ensure specific distribution and controlled release of vitamin B 12 , for example to bone marrow and nerve cells

Except for some unusual findings for lung cancer discussed below, associations between elevated serum B12 and increased disease or mortality are most plausibly explained by reverse causation, in which underlying disease raises B12 levels rather than elevated B12 causing disease