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Bioinformatics 27 (21), 29572963
The NHS advises the recommended daily amount (RDA) as 1.5mcg for adults
One trial used 2000 g/day vitamin B 12 and demonstrated a mean difference of 680 pg/mL (95% confidence interval 392.7 to 967.3) in favor of oral vitamin B 12
Healthcare providers use guidelines to decide the right dose and how often to give it
When B12 levels are low, the body may struggle to function efficiently
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