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Metabolism (2016) 65:1196207
Reduced secretion of gastric acid and pepsin, from the use of H 2 blocker or proton-pump inhibitor (PPI) drugs, can reduce the absorption of protein-bound (dietary) vitamin B 12 , although not of supplemental vitamin B 12
At the recommended dosage, one 50 mg vial will last approximately 3.5 weeks when used 5 days per week
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When oxidative demand approaches the regenerative capacity of nicotinamide adenine dinucleotide (NAD)/ nicotinamide adenine dinucleotide phosphate (NADPH
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