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Na-Hyeon Lee

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Review Open access Sep 2026

Upward changes in serum 25-hydroxyvitamin D levels in South Korea: the Korea National Health and Nutrition Examination Survey studies IX (2022–2023) versus VI (2013–2014)

Objectives To compare serum 25-hydroxyvitamin D (25[OH]D) concentrations and the prevalence of vitamin D deficiency between the Korea National Health and Nutrition Examination Survey (KNHANES) VI and IX, and to evaluate demographic, seasonal, and lifestyle factors associated with vitamin D status in South Korea. Method...

Ju-Hyun Park, Na-Hyeon Lee, Y. Chung et al. · 0 citations

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