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Typically, vitamin B12 injections can be effective for about one week
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As B12 is naturally found in many animal products, its simple to incorporate this essential vitamin into your diet
Nasal Sprays and Patches Non-invasive alternatives, with effects developing over several days to a week
This helps quickly fix the problem and ease symptoms
If you experience symptoms like swelling, severe dizziness, or difficulty breathing, seek medical help right away
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