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By contrast, most vitamin B12 supplements come in 600 mcg doses, which is 25,000% of the daily requirement
Others inject both in the morning at different sites
To avoid a potential risk of hypercobalaminemia or possible health risks of high-dose dietary supplements, an annual blood test is recommended, after which targeted substitution can be performed
This is because vitamin B12 is directly responsible for making healthy red blood cells and eliminating anemia symptoms
The 10 mg vial gives about 66 doses at 150 mcg
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