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Head-to-head evidence comparison — which supplement is right for you?
Cranberry Extract and Saccharomyces Boulardii are closely matched across evidence, studies, and safety.
Verdict
Likely helps
8 of 11 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
13 of 15 studies with measurable effects showed benefit.
Top outcomes
36mg PACs (proanthocyanidins) or 400-500mg extract standardized to PAC content
Morning and evening, With or without food
Extract standardized to 36mg PACs (A-type)
250-500mg (5-10 billion CFU) daily
With or without food, At least 2 hours away from antifungals
Capsules (lyophilized)
Ongoing
During use
1-3 days
1-2 weeks
Cranberries for preventing urinary tract infections
Cochrane Database of Systematic Reviews (2023) · Systematic review · n=8857
Fifth update of the Cochrane review; 50 included studies with 8857 randomised participants.
Consumption of cranberry as adjuvant therapy for urinary tract infections in susceptible populations: A systematic review and meta-analysis with trial sequential analysis
PloS one (2021) · Meta analysis · n=3979
Meta-analysis of 23 trials with 3979 participants.
Supplementation with Highly Standardized Cranberry Extract Phytosome Achieved the Modulation of Urinary Tract Infection Episodes in Diabetic Postmenopausal Women Taking SGLT-2 Inhibitors: A RCT Study
Nutrients (2024) · Rct
Considering UTI episodes, during the six-month supplementation period, an increase of 1.321 (95% CI: -0.322; 2.9650) was observed in the placebo group, while it remained at a steady value of 0.393 (95% CI: -4.230; 5.016) in the supplemented group.
Efficacy and safety of Saccharomyces boulardii as an adjuvant therapy for the eradication of Helicobacter pylori: a meta-analysis
Frontiers in cellular and infection microbiology (2025) · Meta analysis · n=5036
S. boulardii supplementation in traditional eradication therapy significantly improves the H. pylori eradication rate and reduces the total adverse effects and incidence of diarrhea, bloating, constipation, and nausea.
Probiotics for treating acute infectious diarrhoea
The Cochrane database of systematic reviews (2020) · Meta analysis · n=12127
Effect size was similar in the sensitivity analysis and marked heterogeneity persisted.
The use of probiotics and prebiotics in decolonizing pathogenic bacteria from the gut; a systematic review and meta-analysis of clinical outcomes
Gut microbes (2024) · Meta analysis · n=2871
This review aims to analyze available evidence from human-controlled trials to determine the effect size of probiotic interventions in decolonizing AMR pathogenic bacteria from the gut.
Based on multiple RCTs showing UTI reduction in women. Effect size varies significantly between studies (15-73% reduction). Most effective for recurrent UTI prevention. PAC-standardized extracts preferred over juice forms for consistent dosing and reduced GI effects.
Based on multiple meta-analyses showing 1.1-1.6 day reduction in diarrhea duration. Effect size appears to plateau at standard therapeutic doses. Limited data on doses above 20 billion CFU.
AI-estimated from published studies. Interpret as directional guidance.
Both Cranberry Extract and Saccharomyces Boulardii are closely matched — the best choice depends on your specific health goals.
For support immune system, Cranberry Extract has a higher relevance score (85 vs 60).
No known interactions between Cranberry Extract and Saccharomyces Boulardii have been documented in our database. However, always consult a healthcare provider before combining supplements.