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Head-to-head evidence comparison — which supplement is right for you?
Hawthorn wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
4 of 6 studies with measurable effects showed benefit.
Top outcomes
Verdict
Probably helps
10 of 15 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both Hawthorn and Potassium have evidence — compare verdict strength side-by-side.
160-900mg extract (standardized to 2-3% flavonoids or 18-20% OPCs)
With meals, Split into 2-3 doses
Standardized extract (WS 1442 or LI 132 are most studied)
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
8-12 weeks
6-12 weeks
2-4 weeks
1-2 weeks
Long-term
With excess or kidney issues
Would integrated Western and traditional Chinese medicine have more benefits for stroke rehabilitation? A systematic review and meta-analysis
Stroke and vascular neurology (2022) · Meta analysis · n=6339
Our results indicate that the combined use of CM and WM could be more efficacious in stroke rehabilitation compared with the use of WM therapy alone.
Hawthorn extract for treating chronic heart failure: meta-analysis of randomized trials
The American Journal of Medicine (2003) · Meta analysis · n=632
Eight trials including 632 patients with chronic heart failure (NYHA classes I to III) provided data suitable for meta-analysis.
Traditional Chinese medicines benefit to nonalcoholic fatty liver disease: a systematic review and meta-analysis
Molecular biology reports (2012) · Meta analysis · n=25661
Comparing with western medicines mentioned above, TCM had a better effect on the normalization of alanine aminotransferase and disappearance of radiological steatosis in the treatment of NAFLD.
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
Based on meta-analysis showing 7-watt improvement in maximal workload. Effects primarily documented in mild heart failure patients. Most studies used WS 1442 extract standardized to 18.75% oligomeric procyanidins.
AI-estimated from published studies. Interpret as directional guidance.
Hawthorn has a higher evidence score (6.5/10 vs 8.5/10) and wins in 2 of 3 categories.
For support heart health, Hawthorn has a higher relevance score (92 vs 68).
No known interactions between Hawthorn and Potassium have been documented in our database. However, always consult a healthcare provider before combining supplements.