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Head-to-head evidence comparison — which supplement is right for you?
Beetroot and Magnesium are closely matched across evidence, studies, and safety.
Verdict
Likely helps
27 of 30 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
13 of 17 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Beetroot and Magnesium have evidence — compare verdict strength side-by-side.
400-500mg nitrates (or 500ml beetroot juice)
2-3 hours before exercise
Concentrated beetroot shots (70ml)
200-350mg elemental magnesium daily
Evening for sleep/relaxation (glycinate), Morning for energy (malate), Anytime (citrate)
Depends on goal - see notes
2-3 hours after intake
2-3 hours
Immediate
30-60 minutes
1-2 weeks
1-2 weeks
1 week
Immediate
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.
Magnesium supplementation in pregnancy
The Cochrane database of systematic reviews (2014) · Meta analysis · n=9090
Women receiving magnesium were significantly less likely to require hospitalisation during pregnancy (RR 0.65, 95% CI 0.48 to 0.86; three trials, 1158 women).Of the 10 trials included in the review, only two were judged to be of high quality overall.
Magnesium Supplementation and Blood Pressure: A Systematic Review and Meta-Analysis
Hypertension (2025) · Meta analysis · n=2709
38 RCTs with 2709 participants analyzed
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.
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.
Based on meta-analysis of 38 RCTs with 2709 participants showing -7.68 mmHg reduction in hypertensive individuals. Effects are greatest in those with hypomagnesemia. Limited evidence in normotensive populations.
AI-estimated from published studies. Interpret as directional guidance.
Both Beetroot and Magnesium are closely matched — the best choice depends on your specific health goals.
For improve endurance, Beetroot has a higher relevance score (95 vs 48).
No known interactions between Beetroot and Magnesium have been documented in our database. However, always consult a healthcare provider before combining supplements.