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Head-to-head evidence comparison — which supplement is right for you?
Cinnamon vs Potassium: Potassium has the stronger overall evidence (8.5 vs 6.8/10); they're alternatives for reduce inflammation — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Potassium wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
1 of 1 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
7 of 10 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both Cinnamon and Potassium have evidence — compare verdict strength side-by-side.
1000-6000mg (1-6g) cinnamon powder daily, or 250-500mg standardized extract; prefer Ceylon for regular use
with-meals
Ceylon cinnamon powder or standardized aqueous extract
99-500mg daily from supplements (food provides more)
With food to reduce GI upset, Spread throughout day, During/after exercise for athletes
Potassium Citrate or Potassium Gluconate
and 10 more not shown
4-12 weeks
4-12 weeks
8-12 weeks
8-12 weeks
2-4 weeks
1-2 weeks
Long-term
With excess or kidney issues
The effect of cinnamon supplementation on glycemic control in patients with type 2 diabetes mellitus: An updated systematic review and dose-response meta-analysis of randomized controlled trials
Phytotherapy research : PTR (2024) · Meta analysis
Significant reduction in fasting blood sugar (SMD −1.32; 95% CI −1.77 to −0.87; p<0.001)
Effects of cinnamon supplementation on metabolic biomarkers in individuals with type 2 diabetes
Nutrition reviews (2025) · Meta analysis
Improvements in glycemic and lipid biomarkers reported
Efficacy and safety of cinnamon in type 2 diabetes mellitus and pre-diabetes patients: A meta-analysis and meta-regression
Diabetes research and clinical practice (2019) · Meta analysis
Significant reduction in fasting blood glucose
Effect of changes in potassium intake on blood pressure: a dose–response meta-analysis of randomized clinical trials (2000–2024)
Clinical Kidney Journal (2025) · Meta analysis · n=2500
Dose-response analysis of RCTs from 2000-2024
Magnesium and Potassium Supplementation for Systolic Blood Pressure Reduction in the General Normotensive Population: A Systematic Review and Subgroup Meta-Analysis for Optimal Dosage and Treatment Length
Nutrients (2024) · Meta analysis
Both supplements demonstrated greater reductions in SBP for the general population at lower dosages and longer treatment durations.
Sex-specific associations between sodium and potassium intake and overall and cause-specific mortality: a large prospective U.S. cohort study, systematic review, and updated meta-analysis of cohort studies
BMC medicine (2024) · Meta analysis · n=237036
Meta-analysis examining Potassium efficacy
Potassium has a higher evidence score (8.5/10 vs 6.8/10) and wins in 2 of 3 categories.
For reduce inflammation, Potassium has a higher relevance score (85 vs 50).
No known interactions between Cinnamon and Potassium 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.