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If your B12 deficiency is severe, it could take 4-6 weeks of injections before you really start to turn the corner and feel like your old self again
This is not a permanent dietary restriction
Mood and mental clarity: Adequate B12 levels contribute to better focus, memory, and emotional well-being
those with gastrointestinal diseases
The information below reflects USP standards, manufacturer prescribing information, published pharmaceutical literature, and self-reported community sources
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