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We are a long way from saying vitamin B12 can improve Alzheimers or even memory, Wright says

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These pain-relieving effects are blocked by drugs that affect norepinephrine, but not serotonin, suggesting that the pain relief works through adrenergic pathways (9)

- Methylated B12 is studied in research models involving methylation pathways, cellular energy metabolism, red blood cell biology, nervous-system function, and homocysteine-related biochemical research