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For B12 injections, needles with lengths between 1 to 1.5 inches are often recommended
Intravenous administration results in even more rapid excretion with little opportunity for liver storage
How B12 Vitamin Shots Are Administered A healthcare provider usually performs the straightforward process of administering Vitamin B12 shots
Factors That Affect How Long B12 Injections Last Several factors may influence how long the effects of a B12 injection last in your system, potentially explaining why some patients require more frequent injections than others, even with the same underlying condition
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