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Head-to-head evidence comparison — which supplement is right for you?
B. coagulans vs L. rhamnosus GG: L. rhamnosus GG has the stronger overall evidence (6 vs 5/10); they're alternatives for improve digestion — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
L. rhamnosus GG wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
Top outcomes
Verdict
Mostly mechanism / observational
Top outcomes
Shared outcomes (1)
Outcomes where both B. coagulans and L. rhamnosus GG have evidence — compare verdict strength side-by-side.
1-2 billion CFU (spores) daily. The IBS-D and gas/bloating trials used 2 x 10^9 CFU/day of MTCC 5856 (LactoSpore); the GBI-30 6086 (BC30) studies used 1 x 10^9 CFU/day.
any
Tablet or capsule delivering a named strain — MTCC 5856 (LactoSpore) for IBS, GBI-30 6086 (BC30) for the exercise and amino-acid claims
10-20 billion CFU (1-2 x 10^10) daily; 10 billion CFU/day is the effective floor
any
Capsule standardized to ATCC 53103
4-12 weeks
4 weeks
n/a
n/a
During the antibiotic course
During hospital stay
n/a
n/a
Outcome-Specific Efficacy of Different Probiotic Strains and Mixtures in Irritable Bowel Syndrome: A Systematic Review and Network Meta-Analysis.
Nutrients (2023) · Meta analysis
B. coagulans MTCC 5856 (SUCRA 96.9%) and B. coagulans Unique IS2 (SUCRA 92.6%) were among the most effective probiotics for improving abdominal pain
Probiotics and synbiotics in chronic constipation in adults: A systematic review and meta-analysis of randomized controlled trials.
Clin Nutr (2022) · Meta analysis
Probiotics increased stool frequency overall (SMD 0.71, 95% CI 0.37-1.04, P<0.00001), with Bifidobacterium lactis driving the effect
The effects of Bacillus coagulans MTCC 5856 on functional gas and bloating in adults: A randomized, double-blind, placebo-controlled study.
Medicine (Baltimore) (2023) · Rct · n=70
GSRS indigestion score fell from 8.91 to 3.06 in the probiotic group versus 9.42 to 8.43 on placebo; between-group P<0.001
Lactobacillus rhamnosus GG versus Placebo for Acute Gastroenteritis in Children.
N Engl J Med (2018) · Rct · n=971
Primary outcome (modified Vesikari score >=9 within 14 days): 11.8% with LGG vs 12.6% placebo; RR 0.96 (0.68-1.35), P=0.83
Systematic review with meta-analysis: Lactobacillus rhamnosus GG in the prevention of antibiotic-associated diarrhoea in children and adults.
Aliment Pharmacol Ther (2015) · Meta analysis
Antibiotic-associated diarrhea fell from 22.4% to 12.3%; RR 0.49 (0.29-0.83) pooled across 11 RCTs, n=1,308 (12 RCTs, n=1,499 included overall)
Probiotics for treating acute infectious diarrhoea.
Cochrane Database Syst Rev (2020) · Meta analysis
In studies at low risk of bias, no difference in diarrhea lasting >=48 hours (RR 1.00, 0.91-1.09; moderate certainty)
L. rhamnosus GG has a higher evidence score (6/10 vs 5/10) and wins in 2 of 3 categories.
For improve digestion, L. rhamnosus GG has a higher relevance score (72 vs 58).
No known interactions between B. coagulans and L. rhamnosus GG have been documented in our database. However, always consult a healthcare provider before combining supplements.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.