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An overview of published articles in the interventional pain medicine and neuromodulation journal in 2022
There are no large-scale human randomized controlled trials (RCTs) established in peer-reviewed literature as of 2026
B vitamins are water-soluble vitamins
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This is a commonly referenced study from 1963 claiming a half-life of 5-6 days: nature.com/articles/198200a0 Although I would not cite it as an authority, the six-day half-life has also made it onto the B12 page in Wikipedia, seemingly unchallenged
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