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In other words, a high test result may reflect recent intake rather than a medical problem
Biomed Res Int
Because absorption is limited, raising serum B12 with pills is a gradual, cumulative process that can take weeks or months of consistent daily use
B12 supports red blood cell production and normal energy metabolism, so correcting a deficiency can help recovery
For some people, they simply cannot adequately absorb some of the vitamins they ingest, leading to diagnosed deficiencies that require targeted medication from healthcare services
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