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Low doses of methyl donors once the rest of the pathways are better and later maybe some GSH can be tolerated.
Feldman EL, Callaghan BC, Pop-Busui R, Zochodne DW, Wright DE, Bennett DL, et al
When it comes to vitamin B12 deficiency, people are suggested to take a dosage between 1000 and 2000 mcg per day
Long-term and short-term animal studies have reported no consistent evidence of organ toxicity or reproductive disruption under controlled laboratory conditions
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