Vaginal yeast infections
Supplements studied for vaginal yeast infections.
Overview
Boron, as boric acid used intravaginally, is the primary supplement studied for vaginal yeast infections, with medium-level evidence from nine trials. Using boric acid powder or capsules at 600 mg once or twice daily for up to three weeks may help treat stubborn or recurrent infections that do not respond to usual antifungal medicines.
Boric acid carries medium effect-size, evidence, and trust ratings, though the underlying evidence quality is noted as low. See the heatmap and evidence reviews below for trial details across all nine studies.
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