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Overdijk MB, Verploegen S, Bgels M, Van Egmond M, Lammerts Van Bueren JJ, Mutis T, et al

Common Side Effects Vitamin B12 injections can provoke several common side effects , which usually are mild and temporary

This ensures safe and effective treatment

the elderly, strict vegetarians (i.e., vegan), and patients with malabsorption problems are more likely to become deficient

While many are perfectly reputable, its really down to you to do your homework and make sure youre in safe hands

doi: 10.1038/nrd3701
