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For people whose deficiency is caused by an absorption problem, injections are the more dependable option
"[Associations between insulin resistance and three B-vitamins in European adolescents: the HELENA study]"
Support for Nervous System: B12 injections can help maintain nerve health and prevent neurological issues
However, some groups of people are more at risk of deficiency than others and may wish to discuss the possibility of B-12 shots with their doctor
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