In short, if you experience worse tingling after B12 injections, it might result from the B12 deficiency itself, rather than the treatment or injections
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Without it, B12 from food or tablets is simply locked out
A 60-year-old woman underwent a liver biopsy for persistent, slightly increased liver test values
If a lack of vitamin B12 prevents the brain from making these chemicals, you may experience common depressive symptoms, like: Anxiety Irritability Sadness Restlessness Additionally, a B12 deficiency can: Lead to increased amounts of the amino acid homocysteine, which can make depression worse [9]
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