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Vitamin D Deficiency and PCOS

Vitamin D deficiency is remarkably common in PCOS — affecting 67-85% of people with the condition, significantly higher than the general population.

75%

67-85% of people with PCOS are deficient in vitamin D

He et al., Nutrients, 2015

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Vitamin D and PCOS

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Vitamin D deficiency is remarkably common in PCOS — affecting 67-85% of people with the condition, s…

Last updated: July 13, 2026 · Editorial Policy

This is educational information based on published research, not medical advice. Always consult your healthcare provider for personal guidance.