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Getting your vitamin B12 Vitamin B12 is available in animal-based foods as well as fortified foods that have added B12
The effect of the intervention on hand grip test was significant, evidenced by significant differences in the percent of mean changes between the two intervention arms
It has the advantages of high bioavailability, good stability, odorlessness, and low production difficulty
Second, as an observational study, causality cannot be established, and the findings remain susceptible to residual confounding from unmeasured factors, including confounding by indication, disease severity, prescribing preferences, and lifestyle factors such as diet, physical activity, or cognitive engagement
