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Vitamin B12 helps keep the bodys nerves and blood cells healthy, preventing conditions for megaloblastic anemia, which sometimes makes people feel tired and weak
Polycythaemia Vera: Treatment with B12 can mask the diagnosis of this blood disorder, so careful monitoring is necessary if B12 is started before a complete diagnosis
Human Evidence for Antioxidant and Glutathione Support NAC: Two meta-analyses of randomized controlled trials confirm that NAC supplementation reduces markers of oxidative stress and elevates glutathione concentrations in humans
Intrinsic factor is a glycoprotein produced in the stomach
Yu, Danxia et al
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