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Head-to-head evidence comparison — which supplement is right for you?
Resistant Starch wins 1 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
17 of 19 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
9 of 11 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Resistant Starch and Resveratrol have evidence — compare verdict strength side-by-side.
15-30g daily
With meals, Divide throughout day for higher doses
Raw potato starch (unmodified) or green banana flour
150-500mg trans-resveratrol
With a meal containing fat
Trans-resveratrol capsules
2-4 weeks
4-8 weeks
1-2 weeks
First 1-2 weeks
4-12 weeks
4-8 weeks
Metabolic Effects of Resistant Starch Type 2: A Systematic Literature Review and Meta-Analysis of Randomized Controlled Trials
Nutrients (2019) · Meta analysis · n=670
However, these outcomes were heavily influenced by positive results from a small number of individual studies which contradicted the conclusions of the majority of trials.
Acute Effects of Dietary Fiber in Starchy Foods on Glycemic and Insulinemic Responses: A Systematic Review of Randomized Controlled Crossover Trials
Nutrients (2023) · Systematic review
Data on insoluble DF and glucose metabolism are scarce.
The Effects of Resistant Starch on Biomarkers of Inflammation and Oxidative Stress: A Systematic Review and Meta-Analysis
Nutrition and cancer (2022) · Meta analysis · n=739
We used from the effect size, as estimated by the standardized mean difference (SMD) with 95% confidence intervals (95%CI) to perform the random method meta-analysis, with P value ≦0.05 as statistically significant.
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.
Meta-analysis showed modest 3.32 mg/dL reduction in fasting glucose. Effects were heavily influenced by small number of positive studies, with majority showing mixed results. Higher doses increase GI side effects.
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.
Resistant Starch has a higher evidence score (9/10 vs 9/10) and wins in 1 of 3 categories.
For reduce inflammation, Resistant Starch has a higher relevance score (85 vs 65).
No known interactions between Resistant Starch and Resveratrol have been documented in our database. However, always consult a healthcare provider before combining supplements.