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Head-to-head evidence comparison — which supplement is right for you?
Red Yeast Rice vs Resistant Starch: Red Yeast Rice has the stronger overall evidence (7.8 vs 6/10); they're alternatives for metabolic health — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Red Yeast Rice wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
7 of 7 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
10 of 12 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Red Yeast Rice and Resistant Starch have evidence — compare verdict strength side-by-side.
1200-2400mg providing 10mg monacolin K
Evening (cholesterol synthesis peaks at night)
Standardized extract with verified monacolin K content
15-30g daily
With meals, Divide throughout day for higher doses
Raw potato starch (unmodified) or green banana flour
and 4 more not shown
8-12 weeks
8-12 weeks
2-4 weeks
4-8 weeks
1-2 weeks
First 1-2 weeks
Efficacy and Safety of Armolipid Plus(®): An Updated PRISMA Compliant Systematic Review and Meta-Analysis of Randomized Controlled Clinical Trials
Nutrients (2021) · Meta analysis · n=1050
Armolipid Plus® was well tolerated.
Safety and Efficacy of the Consumption of the Nutraceutical "Red Yeast Rice Extract" for the Reduction of Hypercholesterolemia in Humans: A Systematic Review and Meta-Analysis
Nutrients (2024) · Meta analysis
The consumption of RYR extract by people with hypercholesterolemia was associated with statistically significant reduction in total cholesterol and LDL-C, whereas it was not associated with an increase in life-threatening side effects.
Impact of Berberine or Berberine Combination Products on Lipoprotein, Triglyceride and Biological Safety Marker Concentrations in Patients with Hyperlipidemia: A Systematic Review and Meta-Analysis
Journal of dietary supplements (2024) · Meta analysis · n=4838
Meta-analysis of 41 randomized trials (4,838 patients) of berberine products, alone or combined with other nutraceuticals such as red yeast rice, for 8-18 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.
Both points come from one 8-week randomised trial in 105 people with mild high cholesterol (PMID 37375586): LDL fell by 16.77% on 3 mg of monacolin K and by 26.46% on 10 mg, on top of lifestyle change, and effectiveness is that percentage fall. The product also contained CoQ10, grape seed and olive leaf extracts, and no severe adverse events occurred. A separate 8-week trial of 200 mg red yeast rice with 2 mg monacolin K in 18 people lowered LDL more than diet alone (PMID 34587702). The 6 mg point was removed because no cited trial tested it, and no cited trial tested more than 10 mg.
AI-estimated from published studies. Interpret as directional guidance.
Red Yeast Rice has a higher evidence score (7.8/10 vs 6/10) and wins in 2 of 3 categories.
For metabolic health, Resistant Starch has a higher relevance score (65 vs 60).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.