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Description
Proper dose escalation to minimize side effects Nausea and fatigue, the symptoms often attributed to b12 needs, more commonly result from starting doses too high or escalating too quickly

It adds cost, injection burden, and potential for off-target effects
Berlit P

While not a treatment for anxiety, B12 supports nervous system health

1 (2020): fcaa042, 10.1093/braincomms/fcaa042
