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[103] Metformin [edit] Reduced serum levels of vitamin B 12 occur in up to 30% of people taking long-term anti-diabetic metformin
Who should avoid B12 injections, and are there any situations where they could be harmful rather than helpful
Mood : anxiety, depression sometimes to the point of suicidality
A physician typically prescribes B12 shots for those who eat a diet that does not contain enough vitamin B12
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