Vitamin D and Improved Ovulation

• The Association Between Vitamin D and Polycystic Ovary Syndrome (PCOS) in Women: A Systematic Review.

  • 2026-03-19
  • Systematic Review · n = 1,063
  • Nutrients 18(6)
  • • Batoul Jaafar
    • Nour Chami
    • Mohamad Tlais
    • Maria Matar
    • Nazih Obeid
    • Nadia Taha
    • Karim El Haddad
    • Jessica Abou Chaaya
    • Sami Azar

  • PubMed: 41901143
  • DOI: 10.3390/nu18060968

  3 Insights on

  • Improved Ovulation

  • High evidence
  • Rigorous Journal
  • Clinical

  Reproductive benefits (cycle regularity/ovulation) were observed only in selected trials, generally with small samples and short follow-up.

  Effect

  Beneficial

  Effect size

  Small