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What Is the Best Way to Treat Vitamin B12 Deficiencies

Both work, but they absorb differently

Any Vitamin B12 that is not required by the body is excreted in the urine

Older age : Due to changes in dietary nutrient intake (usually from eating less overall) and also decreased production of stomach acid, the elderly tend to have reduced levels of vitamin B12

[DOI] [PubMed] [Google Scholar] 218.Yamauchi T, Hara K, Kubota N, et al
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