Which vitamin B deficiency is most common?
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5 min read
According to an analysis of NHANES data from 2007–2018, approximately 3.6% of adults aged 19 and older in the US have a vitamin B12 deficiency, with the rate increasing to 12.5% for insufficiency when a higher cutoff is used. Among the B complex family, vitamin B12 stands out as the most common deficiency in many parts of the world, particularly impacting older adults, vegans, and those with malabsorption issues.
