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McCormack, M
The primary outcome was the change in serum B12 levels, following supplemental B12 intake, allowing for a comparative evaluation of the different formulations effectiveness in increasing and maintaining B12 concentrations in the bloodstream
Not a drug, food, cosmetic, or dietary supplement
The answer is: it depends
They are often prescribed for individuals who are unable to absorb the vitamin effectively through oral supplements
It helps the brain repair itself, reduces fatigue, boosts alertness, and improves cognitive performance
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