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Patients with Leber's Disease: Vitamin B12 levels may exacerbate optic nerve atrophy

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Metabolic pathway research, adipocyte behavior studies, mitochondrial efficiency analysis, and NAD+-related biochemical investigations

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This autoimmune condition affects the stomach's ability to produce intrinsic factor, so you can't absorb vitamin B12 through your digestive system

Many research powders are kept refrigerated or frozen until use