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A vitamin B12 deficiency occurs when your body does not have enough healthy red blood cells
Allergic Reactions to B12 Injections Though rare, anaphylactic reactions (strong allergic responses) have been reported to either cyanocobalamin or hydroxocobalamin
However, due to their reversibility, these side effects do not pose any lasting danger
Between busy schedules, environmental stressors, and the occasional dip in energy, its easy to feel like youre running on empty
If you notice these, see your doctor for a check-up and treatment
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