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B12 injections for neurological support B12 is critical for maintaining the myelin sheath around nerve fibers
Your doctor can check how much B12 is in your body, but not all of it may be useable
Your body needs plenty of healthy red blood cells
Frequency and Risk Factors Hypersensitivity reactions to vitamin B12 are rare but may be more likely with long-term or repeated injections, regardless of the chemical form or route of administration
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