Vitamin D and Reduced Psoriasis Area and Severity Index

• Effectiveness and safety of dietary supplements in the adjunctive treatment of psoriasis: a systematic review and network meta-analysis.

  • 2025-12-11
  • Systematic Review · n = 463
  • Frontiers in nutrition 12
  • • Danping Chen
    • Jie Yang
    • Wenwen Yang
    • Xinying Liu
    • Zhihong Li

  • PubMed: 41459063
  • DOI: 10.3389/fnut.2025.1718828

  5 Insights on

  • Reduced Psoriasis Area and Severity Index

  • High evidence
  • Clinical

  vitamin D supplementation significantly reduced PASI scores (mean difference = -3.29, 95% confidence interval [CI] - 6.38 to -0.20)

  Effect

  Beneficial

  Effect size

  Moderate

  Significant

  Yes