Vitamin C and Reduced Recurrence Rate

Doses used in studies

mg/day: 250 (median 250, IQR 250–250) — 1 study

Time to effect

Median: 4.3 weeks · IQR 4.3 weeks–4.3 weeks · Range 4.3 weeks–4.3 weeks — Reported in 1 of 1 study

1 of 1 paper

Intravaginal Vitamin C for the Treatment and Prevention of Bacterial Vaginosis: A Systematic Review and Meta-analysis.

2025-10-23
Meta-Analysis · n = 1
Obstetrics and gynecology 147(4)
- Yannay Khaikin
- Praniya Elangainesan
- Eliot Winkler
- Kuan Liu
- Amanda Selk
- Mark H Yudin

PubMed: 41129824
DOI: 10.1097/aog.0000000000006092

2 Insights on

Reduced Recurrence Rate

High evidence

Recurrence of bacterial vaginosis was lower in the vitamin C group compared with the placebo group at 6 months (16% vs 32%, RR 0.50, 95% CI, 0.27-0.93; low-certainty evidence)

Effect: Beneficial
Effect size: Moderate
Significant: Yes
Dose: 250 mg daily for 6 days