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Head-to-head evidence comparison — which supplement is right for you?
CoQ10 vs Vitamin E: CoQ10 has the stronger overall evidence (8 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.
CoQ10 wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
9 of 10 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
10 of 10 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both CoQ10 and Vitamin E have evidence — compare verdict strength side-by-side.
100-300mg daily
With fatty meal
Ubiquinol (reduced form)
100-400 IU daily (natural d-alpha-tocopherol)
With fat-containing meal, Any time of day
Natural mixed tocopherols (d-alpha, beta, gamma, delta)
4-12 weeks
8-12 weeks
4-8 weeks
2-8 weeks
4-8 weeks
4-8 weeks
8-12 weeks
With high doses
Efficacy and Safety of Coenzyme Q10 Supplementation in the Treatment of Polycystic Ovary Syndrome: a Systematic Review and Meta-analysis
Reproductive sciences (Thousand Oaks, Calif.) (2023) · Meta analysis · n=1021
Meta-analysis of 9 randomised trials with 1,021 women with polycystic ovary syndrome.
Coenzyme Q10 for heart failure
The Cochrane database of systematic reviews (2021) · Meta analysis · n=1573
Coenzyme Q10 probably reduces the risk of all-cause mortality more than control (RR 0.58, 95% CI 0.35 to 0.95; 1 study, 420 participants; number needed to treat for an additional beneficial outcome (NNTB) 13.3; moderate-quality evidence).
Antioxidants for female subfertility
The Cochrane database of systematic reviews (2017) · Meta analysis · n=6510
This suggests that among subfertile women with an expected clinical pregnancy rate of 22%, the rate among women using antioxidants would be between 27% and 33%.
Effect of vitamin B(2), vitamin C, vitamin D, vitamin E and folic acid in adults with essential hypertension: a systematic review and network meta-analysis
BMJ open (2024) · Meta analysis · n=2218
Among the five vitamins, only vitamin E was significantly more effective at reducing SBP (mean difference: -14.14 mm Hg, 95% credible intervals: -27.62 to -0.88) than placebo.
The Effect of Vitamin E Supplementation on Serum Aminotransferases in Non-Alcoholic Fatty Liver Disease (NAFLD): A Systematic Review and Meta-Analysis
Nutrients (2023) · Meta analysis · n=794
A total of 794 patients from 12 randomized trials were included in this meta-analysis.
Vitamin E supplementation in pregnancy
The Cochrane database of systematic reviews (2015) · Meta analysis · n=22129
Twenty-one trials, involving 22,129 women were eligible for this review. All of the 17 trials contributing data assessed vitamin E in combination with vitamin C and/or other agents.
CoQ10 has a higher evidence score (8/10 vs 5/10) and wins in 2 of 3 categories.
For support heart health, CoQ10 has a higher relevance score (80 vs 22).
No known interactions between CoQ10 and Vitamin E have been documented in our database. However, always consult a healthcare provider before combining supplements.
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The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.