Understanding the Numbers: How Many Americans Are Deficient in Vitamin C?
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1 min read
According to the National Health and Nutrition Examination Survey (NHANES) from 2017–2018, 5.9% of the U.S. population was deficient in vitamin C. While the rate of severe, clinical deficiency (scurvy) is rare in the U.S., a much larger percentage of Americans have inadequate or suboptimal levels, posing a concern for overall public health.
