Best Supplements for Improved Gut Microbiota Balance
Ranked by research evidence. Compare 39 supplements across 60 papers from the biomedical literature, with effect direction, evidence strength, and dose range for each.
Top picks by evidence
- Low evidence7 studies
Across 6 review-level studies, all reported beneficial effects on gut microbiota balance with a predominant moderate effect size. However, no study provided statistically significant results, and none reported doses, forms, or durations. The evidence is consistent but limited to narrative reviews, and the overwhelmingly positive direction raises concern for publication bias.
- Low evidence6 studies
Across 6 review studies, all reported beneficial effects on gut microbiota balance, with effect sizes split evenly between moderate (3 studies) and small (3 studies). No statistically significant findings were reported, and no specific dose or duration data were available.
- LowBifidobacterium plantarumAcross 6 review-level studies, all reported beneficial effects on gut microbiota balance with a predominant moderate effect size. However, no study provided statistically significant results, and none reported doses, forms, or durations. The evidence is consistent but limited to narrative reviews, and the overwhelmingly positive direction raises concern for publication bias.7 beneficial7 studies
- LowLactobacillus acidophilus L-92Across 6 review studies, all reported beneficial effects on gut microbiota balance, with effect sizes split evenly between moderate (3 studies) and small (3 studies). No statistically significant findings were reported, and no specific dose or duration data were available.6 beneficial6 studies