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Head-to-head evidence comparison — which supplement is right for you?
Beetroot wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
27 of 30 studies with measurable effects showed benefit.
Top outcomes
Verdict
Probably helps
10 of 15 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Beetroot and Potassium have evidence — compare verdict strength side-by-side.
400-500mg nitrates (or 500ml beetroot juice)
2-3 hours before exercise
Concentrated beetroot shots (70ml)
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
2-3 hours after intake
2-3 hours
Immediate
30-60 minutes
2-4 weeks
1-2 weeks
Long-term
With excess or kidney issues
Dietary Nitrate Supplementation and Exercise Performance: An Umbrella Review of 20 Published Systematic Reviews with Meta-analyses
Sports Medicine (2025) · Meta analysis · n=2000
Twenty systematic reviews with meta-analyses, representing 180 primary studies and 2672 unique participants, met the inclusion criteria.
Effects of Beetroot Juice on Physical Performance in Professional Athletes and Healthy Individuals: An Umbrella Review
Nutrients (2025) · Systematic review · n=1500
Fifteen meta-analyses were included in this Umbrella Review.
Sport supplementation in competitive swimmers: a systematic review with meta-analysis
Journal of the International Society of Sports Nutrition (2025) · Meta analysis · n=23
This revision included 23 studies, 16 of them (69.6%) qualified as excellent and 7 (30.4%) as good at the methodological level based on the punctuation in the PEDro scale.
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 of 2000+ subjects showing 515-1017mg effective range. Effects more pronounced in hypoxic conditions and fatigue states. Individual response varies significantly between athletes vs non-athletes.
AI-estimated from published studies. Interpret as directional guidance.
Beetroot has a higher evidence score (7.5/10 vs 8.5/10) and wins in 2 of 3 categories.
For support heart health, Beetroot has a higher relevance score (72 vs 68).
No known interactions between Beetroot and Potassium have been documented in our database. However, always consult a healthcare provider before combining supplements.