Age-stratified fat-soluble vitamin profiles and exploratory analyses of potential links to disease risk and core autistic symptoms among children with ASD: a propensity score matching case-control study
Age-dependent subtype-specific differences of fat-soluble vitamins exist in children with ASD, with higher log VD3 only observed in older autistic patients, and routine VD screening, with longitudinal monitoring tailored to age, is recommended to guide personalized nutritional management.