CellWell record HH-170246
Population-Level Changes in Folate, Iodine, and Vitamin D Status over More than 20 Years: Biomarker Data from the Cross-Sectional National Health and Nutrition Examination Survey (NHANES 1999-2000 through August 2021-August 2023)
Christine M Pfeiffer; Maya R Sternberg; Carissa D Powers; Cynthia L Ogden; Maria Elena D Jefferds; Krista S Crider; WenYen Juan; Jaime J Gahche; Michael E Rybak; Zia Fazili; Ming Zhang; Ekaterina M Mineva; Jeffery M Jarrett
2026
In plain language
Over two decades in the US, serum folate and iodine status declined while vitamin D status increased in the population.
- Evidence
- Emerging
- Design
- Primary research (design unspecified)
Cite this record: https://thecellwell.org/studies/HH-170246
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