Best Supplements for Improved Irritable Bowel Syndrome Symptoms
Ranked by research evidence. Compare 31 supplements across 35 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 effects of Lactobacillus plantarum 299v on IBS symptoms, with effect sizes ranging from moderate to large. The largest study (n=2643, a meta-analysis) showed moderate beneficial effects, while a real-life observational study (n=221) reported large effects. Dosing was sparsely reported but one study used 1×10^10 CFU/day. Evidence is limited to these three studies, making conclusions preliminary.
Dose: 1 × 10^10 CFU/day (based on one study)
31 supplements
- LowLactobacillus plantarum 299vAcross 3 studies, all reported beneficial effects of Lactobacillus plantarum 299v on IBS symptoms, with effect sizes ranging from moderate to large. The largest study (n=2643, a meta-analysis) showed moderate beneficial effects, while a real-life observational study (n=221) reported large effects. Dosing was sparsely reported but one study used 1×10^10 CFU/day. Evidence is limited to these three studies, making conclusions preliminary. · Dose: 1 × 10^10 CFU/day (based on one study)2 beneficial1 neutral3 studies