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Deficiency is one of the most common overlooked causes of persistent fatigue especially in metformin users, PPI users, and vegans
Better sleep and less stress : B12 plays a role in melatonin production, which helps regulate sleep
Neelakantan, H., et al
Actually, for several disorders, we know that the symptoms can span many bodily or organ systems
It is required for Glutathione synthesis
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