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A medical consultation is mandatory before treatment and must be completed at least 48 hours in advance
For individuals with conditions like pernicious anaemia, an autoimmune disorder that attacks the protein needed to absorb B12, oral supplements are often completely ineffective
Metformin is the first therapy for almost everyone with type 2 diabetes, but studies show that the drug creates a risk of vitamin B12 deficiency
Because the vitamin deposits into muscle rather than entering the vasculature immediately, intramuscular delivery produces a sustained release effect
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