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Head-to-head evidence comparison — which supplement is right for you?
Potassium vs Tocotrienols: Potassium has the stronger overall evidence (8.5 vs 5/10); they're alternatives for support heart health — 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
Probably helps
2 of 3 studies with measurable effects showed benefit.
Top outcomes
Verdict
Too few graded studies
Top outcomes
Shared outcomes (1)
Outcomes where both Potassium and Tocotrienols have evidence — compare verdict strength side-by-side.
Supplements commonly provide 99 mg per serving, and food provides more (no cited trial states the dose it used). No upper limit is established, so no maximum is stored. That is not a statement that larger amounts are safe.
With food to reduce GI upset, Spread throughout day, During/after exercise for athletes
Potassium Citrate or Potassium Gluconate
100-300mg mixed tocotrienols daily (annatto delta/gamma-tocotrienol common). A typical label dose. The cited trial used 300 mg of delta-tocotrienol twice a day.
With meals
Annatto tocotrienols
and 10 more not shown
2-4 weeks
1-2 weeks
Long-term
With excess or kidney issues
8-12 weeks
Throughout use
Weeks
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
Our meta-analysis included 10 RCTs, comprising 4 studies on subjects without hypertension and 6 studies on subjects with hypertension.
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=416104
Prospective analysis of 237,036 men and 179,068 women in the NIH-AARP Diet and Health Study, plus an updated meta-analysis of cohort studies.
The effects of tocotrienol supplementation on lipid profile: A meta-analysis of randomized controlled trials.
Complement Ther Med (2020) · Meta analysis
Significantly raised HDL-C (WMD 0.146 mmol/L); 15 articles, 20 arms
Rice Bran Consumption Improves Lipid Profiles: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
Nutrients (2024) · Meta analysis
Rice bran (a tocotrienol/γ-oryzanol source) reduced TG, TC, and LDL-C; no HDL change
delta-Tocotrienol in Combination with Resveratrol Improves the Cardiometabolic Risk Factors and Biomarkers in Patients with Metabolic Syndrome: A Randomized Controlled Trial.
Metab Syndr Relat Disord (2023) · Rct
Delta-tocotrienol + resveratrol improved metabolic-syndrome markers (waist, blood pressure, glucose, triglycerides, inflammation)
Potassium has a higher evidence score (8.5/10 vs 5/10) and wins in 2 of 3 categories.
For support heart health, Potassium has a higher relevance score (68 vs 50).
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.