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However, because B12 is stored in our livers, it might take a while for these deficiencies to show (Glass, 1959)
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In the UK, typical oral doses for dietary deficiency are 50-150 micrograms daily, with higher doses (1000-2000 micrograms) generally reserved for clinical situations under healthcare supervision
B12 is essential for red blood cell production and energy metabolism at the cellular level
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