side effects after vitamin b12 injection B12: Overdose and Understanding the B12 Vitamin Shot:
Description
Theres no performance benefit to staying at 5,000 mcg indefinitely once youve normalized
In a year or two there might be more vaccine options and lower dosing choices available
As with any medical treatment, individual response varies
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And it makes it very hard to to apply a blanket rule - some people may manage well with alcohol and injections
