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Avoid evening administration, as the increased energy levels may interfere with sleep in sensitive individuals
For patients without absorption disorders, high-dose oral supplements of 1,000 to 2,000 mcg daily have been shown to be comparably effective at correcting mild to moderate deficiency at lower cost and greater convenience.
People over 60 are most likely to have B12 deficiency
They often have multiple appointments to attend various clinics and may have frequent hospitalization episodes
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