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That includes protecting your brain, maintaining healthy sleep cycles, and slowing down some of the changes we associate with aging
The definition of vitamin B12 deficiency varies with the assay used but generally includes serum cobalamin levels below 148 pmol/L plus symptoms, or elevated serum homocysteine, or increased methylmalonic acid (MMA) (74)
The medication is metabolized by proteolysis and beta-oxidation with excretion of metabolites in urine and feces, and has a half-life of approximately five days
That matters when you are working with compounds that cost significant money per vial and where dosing precision determines whether your research succeeds or fails
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