These two ideas are not mutually exclusive
Common B12 Injection Side Effects Physicians may prescribe vitamin B12 injections, also known as cobalamin or cyanocobalamin injections, to patients suffering from vitamin B12 anemia, fatigue, or other symptoms of vitamin B12 deficiency
Have Dietary Restrictions: Excellent for vegetarians, vegans, or those with limited animal product intake
There may be temporary pain and discomfort during the IM injection itself, but these tend to ease quite quickly
Adding vitamin B12 may help reduce certain side effects, like fatigue, for some people
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