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You get it naturally from animal-based foods meat, dairy, eggs
Placebo effects, expectation bias, and individual variability all confound interpretation
Non-medical usage, such as for immune boost, athletic preparation, or recovery, allows for personal choice in determining injection frequency, with some doctors suggesting a few vitamin B12 injections throughout the year
Intravenous (IV) Injections Intravenous administration delivers medication directly into the bloodstream
The time it takes you to consume a measure of alcohol affects your blood alcohol concentration
Here, B12 shots are given once a month
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