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For confirmed deficiency or pernicious anaemia, NICE Clinical Knowledge Summaries recommend hydroxocobalamin 1mg intramuscularly, with frequency determined by the underlying cause and neurological involvement

Adequate intake of vitamin B12 is important for brain function, blood formation, nervous system support, and cellular health

(2) the amount, if any, of the excess average sales price increase (the amount by which the specified amount exceeds the inflation-adjusted payment amount as calculated at 427.302(g)) for an applicable calendar quarter

Follow the money: Two to three billion dollars in a market built on selling the next vial

B12 supplementation deserves special mention