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Head-to-head evidence comparison — which supplement is right for you?
Probiotics wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
18 of 26 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
9 of 11 studies with measurable effects showed benefit.
Top outcomes
10-20 billion CFU
With or without food (strain-dependent), Same time daily for consistency
Capsules with multiple strains
150-500mg trans-resveratrol
With a meal containing fat
Trans-resveratrol capsules
2-4 weeks
4-8 weeks
4-8 weeks
First 1-2 weeks
4-12 weeks
4-8 weeks
Preventive Effect of Probiotics on Oral Mucositis Induced by Cancer Treatment: A Systematic Review and Meta-Analysis
International journal of molecular sciences (2022) · Meta analysis · n=708
Three trials using Lactobacilli-based probiotics reported that the incidence of oral mucositis in the probiotic group was significantly low (risk ratio [RR] = 0.84, 95% confidence interval [CI] = 0.77−0.93, p = 0.0004).
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.
Probiotics for the prevention of Clostridium difficile-associated diarrhea in adults and children
The Cochrane database of systematic reviews (2017) · Meta analysis · n=9955
A complete case analysis (i.e. participants who completed the study) among trials investigating CDAD (31 trials, 8672 participants) suggests that probiotics reduce the risk of CDAD by 60%.
A Systematic Review and Meta-Analysis of Randomized Controlled Trials on the Impact of Resveratrol Supplementation on Anthropometric Indices in Patients With Type 2 Diabetes
Phytotherapy research : PTR (2025) · Meta analysis · n=614
We determined overall effect sizes using a random-effects model and assessed heterogeneity using the I 2 statistic and Cochrane's Q test.
Resveratrol for the Management of Human Health: How Far Have We Come? A Systematic Review of Resveratrol Clinical Trials to Highlight Gaps and Opportunities
International journal of molecular sciences (2024) · Systematic review · n=200
Over the last 20 years, there have been almost 200 studies evaluating resveratrol across at least 24 indications, including cancer, menopause symptoms, diabetes, metabolic syndrome, and cardiovascular disease.
Resveratrol and Female Fertility: A Systematic Review
International journal of molecular sciences (2024) · Systematic review
The current literature, though limited, suggests that resveratrol may play a role in female infertility.
Based on meta-analyses showing benefits for IBS and digestive symptoms. Effect sizes varied considerably between studies with low to very low certainty of evidence. Initial GI symptoms common when starting but typically resolve within 1-2 weeks.
Based on meta-analysis showing TNF-α reduction in young and obese subjects. Effect sizes were modest and heterogeneity was high (I2=60-74%). Higher doses associated with increased GI upset risk.
AI-estimated from published studies. Interpret as directional guidance.
Probiotics has a higher evidence score (9/10 vs 9/10) and wins in 2 of 3 categories.
For reduce inflammation, Probiotics has a higher relevance score (95 vs 65).
No known interactions between Probiotics and Resveratrol have been documented in our database. However, always consult a healthcare provider before combining supplements.