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How to manage high vitamin B12 An older 2013 study defines high vitamin B12 levels as those above 950 picograms per milliliter (pg/mL), or 701 picomoles per liter (pmol/L)
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Weekly or bi-weekly injections may be recommended for ongoing energy and wellness support
proper injection technique and site rotation can minimize these local reactions, and they tend to resolve quickly on their own
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