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Supplementing with vitamin B12 is particularly common, because deficiency is widespread

Pernicious anemia is a form of vitamin B12 deficiency, but the cause is very different from simply not getting enough B12 in your diet

These injections may help improve stamina, reduce fatigue, enhance focus, support a healthy metabolism, and promote overall vitality

After the injection, you can eat and drink as usual

They argue that the appropriate response is not a blanket ban but a structured framework: quality-controlled compounding, mandatory prescriber oversight, and data collection that builds the evidence base over time