Skip to main content
Evidence-Based Supplement Research
Evidence-Based Supplement Research

Best Supplements for Reduced Stool Frequency

Ranked by research evidence. Compare 8 supplements across 11 papers from the biomedical literature, with effect direction, evidence strength, and dose range for each.

Top picks by evidence

  • Low evidence3 studies

    Across 3 studies, all reported beneficial moderate-sized effects of Saccharomyces boulardii on reducing stool frequency in children with acute diarrhea. The most common dose was 250 mg twice daily, and the evidence consistently supports a reduction in stool frequency within 3–6 days. Effects were predominantly moderate across studies.

    Dose: 250 mg twice daily
8 supplements
Back to top