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If a significant deficiency is left untreated over time, some of this nerve damage can become permanent, which is why prompt evaluation matters
Too much B12: Signs, causes, and how to manage it
For instance, one small study demonstrated that individuals with premature hair graying had lower vitamin B12, folate, and biotin levels than control subjects without premature gray hair (13)
A: This injection is generally well-tolerated
Inactive ingredients: Your doctor will decide what dose you will receive
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