Associations between fat-soluble vitamin status, growth, and development in Chinese children aged 3–14 years: a cross-sectional study
Background The status of fat-soluble vitamins (A, D, E, K1, and K2) is crucial for childhood growth and development. However, comprehensive data on their levels—particularly vitamin K2—and their association with growth phenotypes in Chinese children remain limited. This study aimed to establish reference data and inves...