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However, scientific research shows that very high-dose oral B12 (1,000-2,000 mcg) can be effective for some, as about 1% can be absorbed without intrinsic factor

doi: 10.1016/j.postharvbio.2025.113717 26 KataokaR.NigakiA.BaruaB

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Interferon-gamma regulates inflammatory cell death by targeting necroptosis in experimental autoimmune arthritis

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The researchers investigations also focused on the mechanism behind glutathione amino acid precursors efficacy