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It is not human safety information, not a usage guide for non-research settings, and not medical, clinical, veterinary, cosmetic, dietary, or personal-use guidance
ICH Q2(R2): Validation of Analytical Procedures
Interactions: Inform patients that certain drugs (antibiotics, methotrexate) can affect B12 testing, but generally B12 injections have no major drug interactions
[4] These findings are limited to the rat strain, exposure protocol, controls, endpoints, and analytical methods described in that study
If youve tried B12 supplements and didnt notice much improvement, injections might be a better fit
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