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Hi I took 3000 mcg of b12 tablet everyday due back pain radiating to the left limb

It means the context behind each compound matters as much as the mechanism

This helps researchers move from compound-specific review into broader pathway comparison without leaving the core research archive

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Possibly supportive of this hypothesis is the finding that infants whose mothers were administered placebo had generally higher tHcy concentrations (median: 21.0 mol/L) than reported as normal amounts in healthy infants (30) (69 mol/L at ages 6 wk to 6 mo)

There are often large gaps between total B12 and active-B12 levels in the blood