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We found very low-quality evidence that oral vitamin B oral treatment costs less 12 appears as safe as IM vitamin B 12
These are very effective at raising blood levels of B12 and preventing/reversing a deficiency
[6] In all cases, a healthcare provider should evaluate patient history for any contraindication before initiating therapy
The loading phase is extended, with injections given on alternate days until no further improvement is observed, which may take several weeks or months
Inject slowly to reduce tissue trauma
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