Research
Cellular
Women in the highest quintile of total vitamin D intake (median, 706 IU/d) had a relative risk of 0.59 compared with those in the lowest quintile (median, 112 IU/d).
Clinicians may consider recommending higher vitamin D intake to reduce PMS risk.
StrongSupportsmedium confidence
women in the highest quintile of total vitamin D intake (median, 706 IU/d) had a relative risk of 0.59 (95% confidence interval, 0.40-0.86) compared with those in the lowest quintile (median, 112 IU/d)
Why this rating
Based on a case-control study nested within a large prospective cohort.
Source
Calcium and Vitamin D Intake and Risk of Incident Premenstrual Syndrome
Elizabeth R. Bertone‐Johnson et al. · Archives of Internal Medicine · 2005
DOI 10.1001/archinte.165.11.1246
cohort · n=3025Cited 208×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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