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Evidence-Based Supplement Research
Evidence-Based Supplement Research

Best Supplements for Reduced Stool Frequency

Ranked by research evidence. Compare 7 supplements across 10 papers from the biomedical literature, with effect direction, evidence strength, and dose range for each.

Top picks by evidence

  • Moderate evidence3 studies

    Across 3 studies, all reported beneficial effects of Saccharomyces boulardii on reducing stool frequency in children with acute diarrhea, with effect sizes ranging from small to large. The most-studied population is children aged 2 months to 12 years. Doses were not consistently reported across studies, but one trial used 250 mg twice daily.

    Dose: 250 mg bid
7 supplements
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