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Evidence-Based Supplement Research
Evidence-Based Supplement Research

Best Supplements for Reduced Stool Volume

Ranked by research evidence. Compare 4 supplements across 6 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, 2 reported neutral effects and 1 reported a beneficial small effect on reducing stool volume, with only 1 study reaching statistical significance. The evidence base is small (3 studies), with no clear convergence on dose or form, and effects typically observed at 56 days in one study. Most studies were conducted in children with functional constipation.

4 supplements
  • LowLactobacillus reuteri DSM 17938Across 3 studies, 2 reported neutral effects and 1 reported a beneficial small effect on reducing stool volume, with only 1 study reaching statistical significance. The evidence base is small (3 studies), with no clear convergence on dose or form, and effects typically observed at 56 days in one study. Most studies were conducted in children with functional constipation.1 beneficial2 neutral3 studies
  • Bifidobacterium infantis M-631 beneficial1 study
  • Bacillus coagulans1 neutral1 study
  • Lactobacillus plantarum DR71 harmful1 study
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