CellWell record HH-139354
The Association Between Vitamin D and Polycystic Ovary Syndrome (PCOS) in Women: A Systematic Review
Batoul Jaafar; Nour Chami; Mohamad Tlais; Maria Matar; Nazih Obeid; Nadia Taha; Karim El Haddad; Jessica Abou Chaaya; Sami Azar
2026
In plain language
A systematic review of 11 studies in 1,063 women with PCOS found lower vitamin D levels were linked to greater insulin resistance, higher BMI, and higher leptin, with supplementation trials showing inconsistent metabolic benefits.
- Evidence
- Established
- Design
- Systematic review
Cite this record: https://thecellwell.org/studies/HH-139354
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