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Potential side effects of B12 injections are generally mild but should be monitored
NHS guidance emphasises that most people should be able to obtain adequate B12 through a balanced diet containing animal products
Despite the need for additional work to elucidate the potential underlying mechanisms of these associations, low vitamin B12 levels should be considered as a possible culprit in certain subpopulations of patients experiencing sleep disturbances
The main difference between methylcobalamin and cyanocobalamin is that methylcobalamin is the naturally-occurring form of vitamin B12 that comes through either food sources or supplements, whereas cyanocobalamin is the synthetic form of vitamin B12 that occur only in supplements
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