does b12 injection have side effects Vitamin and Safety do b12 injections have side
Description
To be clear: these were not individuals with a known Vitamin B deficiency
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Individual results may vary, and the compound may not be suitable for all individuals
Cell Metabolism
Because it doesnt require conversion, Methyl B12 is more effective for many people especially those with genetic variations in methylation enzymes (like MTHFR)
