People taking certain common medications including metformin for blood sugar management and proton pump inhibitors for acid reflux also face increased deficiency risk
1 2 3 4 5 6 7 8 9 10 11 Institute of Medicine (1998)
The NIH Office of Dietary Supplements, citing Institute of Medicine recommendations, advises that it is advisable for those older than 50 years to meet their RDA mainly by consuming foods fortified with vitamin B12 or a supplement containing vitamin B12. This recommendation reflects the fact that 10 to 30% of older adults lose the ability to efficiently absorb naturally occurring B12 from food
And placebo is real getting an injection in a clinical setting with the expectation of feeling better is a powerful experience
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