topicVitamin D Cognitive Function Meta-Analysis
claimMethods This systematic review followed PRISMA-NMA guideline and was registered in PROSPERO (CRD420251079079).
evidence level1
citationWang X (2026)
sourceEffects of dietary supplements on cognitive outcomes and physiological biomarkers in mild cognitive impairment: a systematic review and network meta-analysis.
topicVitamin D Cognitive Function Meta-Analysis
claimSupplementation significantly reduced Aβ42 levels, while effects on BDNF and Aβ40 were non-significant.
evidence level1
citationWang X (2026)
sourceEffects of dietary supplements on cognitive outcomes and physiological biomarkers in mild cognitive impairment: a systematic review and network meta-analysis.
topicVitamin D Cognitive Function Meta-Analysis
claimHeterogeneity was substantial ( I 2 = 96%), and sensitivity analyses demonstrated attenuated effect sizes after removing studies at high risk of bias.
evidence level1
citationWang X (2026)
sourceEffects of dietary supplements on cognitive outcomes and physiological biomarkers in mild cognitive impairment: a systematic review and network meta-analysis.
topicVitamin D Cognitive Function Meta-Analysis
claimBackground Mild cognitive impairment (MCI) represents a transitional stage between normal aging and dementia, affecting a significant proportion of the elderly population.
evidence level1
citationWang X (2026)
sourceEffects of dietary supplements on cognitive outcomes and physiological biomarkers in mild cognitive impairment: a systematic review and network meta-analysis.
topicVitamin D Cognitive Function Meta-Analysis
claimObjectiveTo evaluate the correlation between serum vitamin D levels and neurological function prognosis, including the overall cognitive level, in patients with ischemic stroke in a meta-analysis using Pearson or Spearman correlation coefficients.MethodsPubMed, Cochrane Library, Web of Science, and Embase databases were searched for relevant studies published from inception to June 2025.
evidence level1
citationZhou Y (2026)
sourceAssociation between serum vitamin D levels and functional outcomes in ischemic stroke patients: A systematic review and meta-analysis.
topicVitamin D Cognitive Function Meta-Analysis
claimwas used to conduct the meta-analysis.ResultsA total of fifteen studies involving 2030 participants aged 18-94 years were included.
evidence level1
citationZhou Y (2026)
sourceAssociation between serum vitamin D levels and functional outcomes in ischemic stroke patients: A systematic review and meta-analysis.